Abstract The chromosomes of Melinopterus villarreali (Baraud, 1975) have been reinvestigated based on new material from Meia Praia, Portugal. It was found that all the specimens examined, including two with completely dark clypei, were referable to M. villarreali. No M. sphacelatus (Panzer, 1798) was found. Many of the specimens had the eighth elytral striae distinctly abbreviated basally, atypical

Abstract The dynamics of adult emergence and mortality of the rice weevil Sitophilus oryzae in wheat grain treated with silicon dioxide-based pesticide was experimentally assessed.

Abstract Aphanisticus nepalensis sp. n., belonging to the Aphanisticus bedeli Abeille de Perrin, 1893 species-group established herein, is described from Nepal. In addition to the species mentioned above, the group also includes A. bulbatus Bílý, 1973, A. kalabi Kalashian, 2003, and A. horaki Kalashian, 2003. A key to the species of this group is provided.

Abstract Thermothrips Pelikán, 1949 with the single species Thermothrips mohelensis Pelikán, 1949 is recorded from Central Yakutia for the first time for Siberia.

Abstract A morpho-biological review and analysis of the Palaearctic species of the robusta group of the genus Eurytoma is presented. The differences between the species of the robusta group and the other species-groups of the genus Eurytoma are described. The hosts of the species of the robusta group and their geographical distribution are listed. A key to 62 Palaearctic species of the robusta group

Abstract The muscular system of the larva of the eastern fruit fly Bactrocera dorsalis (Hendel, 1912) (Diptera, Tephritidae), a quarantine pest of many fruit crops, was studied by X-ray computed microtomography (micro-CT). The larval muscles of Bactrocera dorsalis were compared with those of Drosophila melanogaster Meigen, 1830 (Diptera, Drosophilidae), since the latter is the most thoroughly studied

Abstract The lime seed bug Oxycarenus lavaterae was observed in great numbers on large-leaved linden trees Tilia platyphyllos Scop. in Krasnodar in the spring of 2020. This is the first record of this species from Russia, indicating eastward extension of O. lavaterae. The first data on the phenology and biology of the species in the North Caucasus, and also some characteristics of this invasive population

Abstract Data on Menida violacea Motsch. (Heteroptera, Pentatomidae), a rare shield bug species in Primorskii Territory of Russia, are given. Two species of parasitic dipterans of the family Tachinidae, Ectophasia rotundiventris (Loew, 1858) and Leucostoma crassum Kugler, 1966 (subfamily Phasiinae), were reared from the bugs in the laboratory. The development stages of M. violacea in nature, the habitats

Abstract Long-term results of pheromone monitoring of the codling moth Cydia pomonella L. in the ecological orchard agroecosystem were analyzed to clarify the flight period of each pest generation. The flights of the overwintered and the first summer generations overlapped by about 20 days; those of the first and second summer generations overlapped by about 25 days. The biological characteristics

Abstract Adult granary weevils feeding on grain responded selectively to the volatile compounds of different strains of the entomopathogenic fungi Beauveria bassiana and Lecanicillium muscarium. The mycelium of B. bassiana strains had a repellent effect or a neutral effect with a tendency toward repellency. The response to L. muscarium strains varied from weak repellent (G-033) and neutral (Vl 49)

Abstract Lectotypes of Tyloderes nebulosus Motschulsky, 1860, Dermatodes interstitialis Motschulsky, 1866, and Cneorhinus angusticollis Motschulsky, 1866 are designated. New combinations and new synonymies are established: Catapionus nebulosus (Motschulsky, 1860), comb. n. (= Dermatodes interstitialis Motschulsky, 1866, syn. n., = Catapionus gracilicornis Roelofs, 1873, syn. n., = Catapionus subcostatus

Abstract This paper summarizes the available data on the host plant associations of beetles of the superfamilies Chrysomeloidea and Curculionoidea on three unique natural objects, relict mountains (shikhans) composed of organogenic limestones and located near Sterlitamak in Bashkortostan. A total of 427 species from 9 families have been recorded on these mountains, this number comprising 35.5% of the

Abstract This paper presents comparative assessment of the reaction of the western flower thrips Frankliniella occidentalis and the predatory bug Orius laevigatus to the seed oil of Pongamia pinnata (L.) Pierre. This oil had repellent and toxic effects on the adult and larval thrips, and also reduced the number of laid eggs. The predatory bug O. laevigatus was highly sensitive to P. pinnata oil under

Abstract Four new Palaearctic species are described in the large ichneumon-fly genus Rhorus recently revised by the author: Rh. ussuriensis sp. n. from Russia (Primorskii Territory), Rh. kolarovi sp. n. from Bulgaria, and two species from China (Sichuan)—Rh. gracilipes sp. n. and Rh. sichuanensis sp. n. The last two species belong to the Rhorus nigritarsis species group; a key to all the 6 species

Abstract A list of 121 plant species in 33 families on which eumenine wasps were recorded feeding on nectar in Crimea is given. Forage plants were ascertained for 58 wasp species. The largest numbers of forage plant species belonged to the families Apiaceae (18), Asteraceae (17), and Lamiaceae (13). The largest numbers of wasp species were recorded on flowers of the same three families (23, 24, and

AbstractA new species of Scolytopsis Blandford 1896, S. sokolovisp. n. (Coleoptera: Curculionidae: Scolytinae) is described from Peru.

AbstractA new species Conophyma nazarovaesp. n. (Orthoptera, Acrididae) is described from Tajikistan (Western Pamirs, Rushan Mt. Range). The species was found on the stony mountain slopes in the semi-savanna zone at an altitude of 3000–3300 m.

AbstractThe records of 15 species of blackflies (Diptera: Simuliidae) in the Republic of North Ossetia–Alania are given. Prosimulium anatoliense and Simuliumdelizhanense are recorded from Russia for the first time, and Prosimulium gigas, Metacnephia nigra, Simulium maritimum, S. angustatum, S. bezzii, S. monticola, S.schamili, and S. subtile are new to North Ossetia. The work is based on the authors’

AbstractA new species, Phytomastaxsergeevisp. n. (Orthoptera, Eumastacidae), is described from Tajikistan (the Darvaz Mt. Range). This species occurs in the mountain semi-savanna zone at altitudes of 2600–3100 m.

AbstractThe larva of a species of Sinodiapterna Dellacasa is described and illustrated for the first time. According to the larval characters, the genus Sinodiapterna is closely related to the genus Diapterna Horn, 1887 in the absence of symmetric rows of spinules on the anal sternite and in the presence of stridulatory teeth on the palpifer, but differs in the chaetotaxy of the maxillae. Among the

AbstractThe article contains systematic and biological information on the following genera: Ceraptrocerella Girault, 1918; Charitopsis Trjapitzin, 1969; Epanusia Girault, 1913; Schilleriella Ghesquière, 1946; and Taftia Ashmead, 1904. Diagnosis of Ceraptrocerella, a key to its species and their synopsis, a redescription of Epanusia xerophila (Brues, 1906) based on a female from Canada, and a key to

AbstractA new orphnine scarab beetle species of the genus Aegidium Westwood is described from the Central Andes. The new species differs from the known congeners in the structure of the parameres, in particular, in the presence of a distinctly granulate area basad of the lateral tooth. The type locality of the new species (Caranavi, La Paz Department, Bolivia) is situated in the Bolivian Yungas and

AbstractNew data on the distribution of Eurytoma campanulae Zer., based on material from various parts of Ukraine and that from Finland received from Dr. Veli Vikberg, are reported. The characteristic morphological features of Eu. campanulae and the other members of the campanulae species-group are discussed. Specific traits of this species-group are outlined; this group is notable within Eurytoma

AbstractHost plants of the poplar leafminer Phyllonorycter populifoliella (Tr.) (Lepidoptera, Gracillariidae) were studied. This miner is a narrow oligophage developing on 12 species of the genus Populus L. of the family Salicaceae: P. alba, P. balsamifera, P. deltoides, P. koreana, P. laurifolia, P. maximowiczii, P. nigra, P. pseudosimonii, P. simonii, P. suaveolens, P. talassica, and P. tremula.

AbstractThe occurrence of leafminers of the genus Phyllonorycter (Lepidoptera: Gracillariidae) developing on various poplar species was studied in different geographic regions of Russia: St. Petersburg, Barnaul, Bryansk and Bryansk Province. The test plots in St. Petersburg contained only the Berlin poplar Populus ×berolinensis K. Koch; those in Barnaul contained hybrids combining the features of P

AbstractFemales of the hymenopteran parasitoid Habrobracon hebetor show two types of photoperiodic response: development under short day conditions results in an increase of the adult size (quantitative response) and in the induction of reproductive diapause (qualitative response). In a study conducted with individuals from a laboratory population, the progeny of each female was divided into two groups

AbstractThe tribe Sphodrini Laporte, 1834 is represented in the fauna of East Europe by 24 species from 8 genera: Calathus (10 species), Laemostenus (6), Pseudotaphoxenus (3), Dolichus, Sphodrus, Platyderus, Synuchus, and Taphoxenus (1 species each). Five species occurring in Ukraine (Calathus cinctus, Laemostenus cimmerius, L. terricola, L. venustus, and Pseudotaphoxenusrufitarsis) and 2 species present

Abstract—Austroagallia caboverdensis Lindberg, 1958 is recorded for the first time from Madagascar. Igerna malagasicaViraktamath et Gonçalves, 2013 is recorded for the first time from the former Antananarivo Province of the country, and Kopamerra haupti (Melichar, 1908), from the former Toliara Province. Idiocerus maintiranus Evans, 1953 is transferred to the genus Remoya Webb, 1983, and I. sakarahensis

AbstractEight new species of the genus Coryphophthalmus are described from Abkhazia, Krasnodar Territory, and North Ossetia: Coryphophthalmus prosvirovisp. n.,C. brunioculussp. n.,C. messazhayisp. n.,C. silvestrissp. n.,C. lapidicolasp. n.,C. alanicussp. n.,C. viridioculussp. n., and C. bicolorioculussp. n. A review of the distribution, morphological characters, and a key to species of the genus Coryphophthalmus

AbstractThe larvae of Entymetopus limis (Ménétriés, 1849) and Trichocleonus leucophyllus (Fischer von Waldheim, 1821) are described for the first time. The morphology of the larvae of Bothynoderes declivis (Olivier, 1807) and Temnorhinus hololeucus (Pallas, 1781) has been substantially supplemented. Keys to the known larvae of 2 species of Bothynoderes and 3 species of Temnorhinus are given. The larvae

AbstractData on 34 species of anthidiine bees collected in Nakhchivan Autonomous Republic of Azerbaijan are reported. Sixteen species are new to Azerbaijan as a whole, and six other species are new to Nakhchivan Autonomous Republic. A total of 46 species of Anthidiini are currently known from Azerbaijan, 41 of them are known from Nakhchivan Autonomous Republic. This is distinctly less in comparison

AbstractPreviously unpublished records of the bush cricket Bradyporus multituberculatus multituberculatus (Fischer von Waldheim, 1833) in North Ossetia are provided, based on the specimens located in the collections of the Department of Zoology of the Museum complex of Gorsky State Agrarian University in Vladikavkaz. The North Caucasus is the only territory where populations of this subspecies still

AbstractExperimental research demonstrated a positive linear correlation between the amount of uric acid, accumulated in stored wheat grain because of vital activity of the rice weevil Sitophilus oryzae, and the density of these weevils in grain.

AbstractThe results of the study of three genes, COI, COII and 18S rDNA, of the quarantine pest Bactrocera dorsalis are presented; applicability of these genes for rapid molecular diagnosis is assessed. It is shown that the mitochondrial COI and COII genes are suitable for this purpose while the nuclear 18S rDNA gene is not.

AbstractThe paper presents the results of long-term monitoring of the abundance and harmfulness of the sunn pest in commercial wheat crops in Rostov Province of Russia. During the study period, the pest was in a sustainable outbreak phase while the wheat varieties most commonly grown in the region were damaged by 20% and more. The level of damage to wheat grain was significantly and positively correlated

AbstractThe available data on seasonal development of plant bugs (Mirinae: Mirini) are reviewed, and the level of understanding of their seasonal adaptations is evaluated. The ecological responses involved in control of seasonal development of 14 species from 5 genera (Adelphocoris, Apolygus, Lygus, Lygocoris, and Stenotus) are analyzed in detail. All the studied species are broadly polyphagous and

AbstractBionomics of Euodynerus fastidiosus (de Saussure) was studied in Crimea. One nest located in an old burrow of Cicadatra querula (Pallas) and 13 nests located in the cells of old nests of Sceliphron spp. were examined. The nests contained 1–4 cells separated by partitions made of soil mastic which the wasps prepared by mixing dry earth with water. The lateral cell walls were also covered with

AbstractDespite the unique lifestyle of reed beetles (Chrysomelidae, Donaciinae) and the long-time interest that this peculiar group enjoyed among biologists, many aspects of their ecology remain unknown or understudied. In this communication, I verify, by observations in the laboratory and in the natural habitat, the contradictory statements of the previous authors regarding adult feeding and oviposition

AbstractFour new species of the subgenus Pseudotiorhynchus Magnano, 2004 are described: Otiorhynchus napolovi Savitsky, sp. n. from Kazakhstan, O. karagurensis Savitsky, sp. n. from Turkmenistan, O. artemisiae Savitsky, sp. n., and O. parartemisiae Savitsky, sp. n. from Iran. New data on the distribution and morphology of O. christophi Stierlin, 1876 are presented. A new key to all the 23 species of

AbstractThe probabilistic approach was applied to morphometric identification of Culex pipiens pipiens / torrentium mosquito females collected in the Sablino caves (Leningrad Province of Russia). The distances between landmarks of the radial wing veins r(2+3) and r3 were measured, and the frequency distribution of the r(2+3) / r3 wing vein index was analyzed. The obtained distribution had two maxima

AbstractThe role of fleas in the manifestations of plague epizootics in the natural plague foci in Russia and adjacent states is discussed. The specific conditions of pathogen transmission in each focus are determined by the vital activities of several species of fleas that are parasites of the main plague carrier. These fleas have the nidicolous type of parasitism, facilitating wide spread of the

AbstractCatalase is an antioxidant enzyme, which is important for lifespan extension and stress resistance during diapause in overwintering mosquitoes. Based on the preliminary observations on abundancies of Culiseta annulata (Schrank) and species of the genus Culex, overwintering in the Sablino Caves (Northwestern Russia), it was hypothesized that catalase activity in hibernating females might vary

AbstractLectotype of Alophusmarginatus Faust, 1887 is designated. Trichalophuscaudiculatus Fairmaire, 1886 and T. compressicauda Fairmaire, 1887 are transferred to the genus Pseudalophus Suvorov, 1915, where new combinations are formed: Pseudalophus caudiculatus (Fairmaire, 1886), comb. n., and Pseudalophus compressicauda (Fairmaire, 1887), comb. n. New taxa Pseudalophusangulatussp. n.,Ps. brevirostrissp

AbstractThe ecology of the larvae of flower flies of the tribe Xylotini inhabiting wood substrates is considered. Data on the larval ecology of Chalcosyrphus carbonus Viol. and Ch. femoratus (L.) are given for the first time, and new data are added for 14 more species. Associations with co-occurring xylobiont insects are discovered for the first time. The main and additional biotopes inhabited by Syrphidae

AbstractLouse flies (Diptera, Hippoboscidae) were collected off 38 species of birds from 16 genera of 14 families and 5 orders. Birds were captured in large funnel traps and mist nets on the Courish Spit (Kaliningrad Province, Russia). Five species of ornithophilic louse flies were found: Ornithomya avicularia (Linnaeus, 1758), O. chloropus (Bergroth, 1901), O. fringillina (Curtis, 1856), O. comosa

AbstractA new stenolophine species Kenyacus elvenisp. n. is described from the south-eastern part of the Rwenzori Mountains, Kasese District, Uganda. The new species was found a little apart from other members of Kenyacus occurring in these mountains and at lower (1688–1903 m) altitudes. It is easily recognized by having fronto-clypeal suture slightly rounded, rather deeply impressed and almost arcuately

AbstractA Central Asian species Parexochomussemenovi (Wse.) is recorded for Russia (southern Tuva), Turkey, Turkmenistan and northwestern Uzbekistan (Republic of Karakalpakstan) for the first time.

AbstractA new fly species, Eumerus muratovi Barkalov, sp. n., is described from the high mountains of the Pamirs, Tajikistan. The species belongs to the species group characterized by yellow spots on abdominal tergites II and III, dichoptic eyes in the male, and black antennae. The new species differs from all the known congeners in a mostly black abdomen, a comparatively long pilosity on the body

Abstract—Caliscelid genus Symplanella Fennah, 1987 is recorded for the first time from Vietnam, with Symplanella yokdonasp. n., described from Ðăk Lăk Province, S. brevicephala (Chou, Yuan et Wang, 1994), recorded from Hòa Bình Province, and S. recurvata Yang et Chen, 2014, recorded from Ðồng Nai Province.

AbstractMaterial of 11 weevil species collected from two halophilic crucifers of the genus Lepidium—L. crassifolium Waldst. et Kit. and L. coronopifolium Fisch. ex Ledeb.—in Orenburg Province (Southern Urals) at the boundary between Europe and Asia is first reported. Six species have been found on L. crassifolium, and seven, on L. coronopifolium. A new species Bruchela uralensis Korotyaev, sp. n. is

AbstractThe main aspects of sexual behavior (search for a sexual partner, copulation, reproductive isolation) are analyzed in two main taxonomic groups of ixodid ticks (Prostriata and Metastriata). A hypothesis on the evolution of sexual behavior in ixodid ticks is suggested, explaining the development of the system of chemical sexual communication typical of each taxonomic group.

AbstractThe taxonomic diversity, distribution patterns, and host-parasite relationships of fleas of the genus Oropsylla, which are vectors of the plague pathogen in the Eurasian and North American plague foci, are analyzed. Data on the abundance, ecological features, and epizootological significance of the marmot parasite Oropsylla silantiewi (Wagner, 1898) in different Palaearctic plague foci are

AbstractThe paper reports data on the karyotype structure and hemoglobin composition of Chironomus sp. Ya3 (Kiknadze, Istomina et Salova, 1996) found in a pond in the Pechora River delta within the permafrost zone. The collected larvae morphologically corresponded to the original description. Of the 9 chromosome banding sequences detected in them, Ya3A2 and Ya3E2 were for the first time recorded in

AbstractAn annotated list of 46 mosquito species (Diptera: Culicidae) is presented, the first of its kind for the Northwestern region of Russia. It is based on identification of species in the authors’ own collections (9939 specimens), revision of collections of the Zoological Institute of the Russian Academy of Sciences (2755 specimens), and analysis of the literature data. As a result, 1 species

AbstractThe teratogenic effect of metal-containing nanoparticles on the occurrence of malformations in the mouthpart structures of Chironomus riparius Meigen larvae (Diptera, Chironomidae) was confirmed in a long-term experiment. The proportion of larvae with malformations in all the experimental environments was 2.2–8.4 times higher than the control values. Nanoparticles of silver and titanium dioxide

AbstractTwo new species of the subgenus Pseudotiorhynchus Magnano, 2004 are described from Iran: Otiorhynchus shakhvarensis Savitsky, sp. n. and O. berberidis Savitsky, sp. n. New data on the taxonomy, distribution, and ecology of some little known species of the subgenera Dibredus Reitter, 1912 and Davidianaxius AlonsoZarazaga, 2013 are given. The subgenus Dibredus is recorded from Iran for the first

AbstractThe available data on horseflies of the south of the Middle Russian forest-steppe and adjoining steppe territories within Belgorod and Voronezh provinces of Russia and Kharkov Province of Ukraine are summarized, analyzed, and clarified. Altogether, 46 species and 1 subspecies of horseflies are recorded in the region, of which 15 species are restricted to the forest-steppe zone, 10 species,

AbstractA list of 23 species of invertebrates damaging foliage of introduced Rosaceae plants in the Polar-Alpine Botanical Garden-Institute is compiled, including data on their activity periods, harmful stages, and damage rate. Most of the pests are characterized by low migration activity of adults, relatively low fecundity, and stable population numbers. The largest part of the Rosaceae collection

Relations between the predatory species were studied in the tritrophic system “plant—spider mite Tetranychus urticae—predatory mite Phytoseiulus persimilis + predatory gall midge Feltiella luboviae” on Ginga F1 and Muromsky 36 cucumber cultivars, differing in their resistance to the phytophage. It was shown that the formation and functioning of the consortium were largely influenced by the resistance

A total of 31 species belonging to 4 genera of the subfamily Prainae (Hymenoptera, Aphidiidae) are recorded from Russia and adjacent countries: Praon Haliday, 1833 (23 species), Dyscritulus Hincks, 1943 (2), Areopraon Mackauer, 1959 (5), and Pseudopraon Starỳ, 1975 (1 species). The fauna of Russia includes 28 species, of which 13 species, Areopraon chaitophori Tomanović et Petrović, 2009, Praon athenaeum