In this paper we present an updated checklist of thallus-forming Laboulbeniomycetes (Ascomycota, Pezizomycotina), that is, the orders Herpomycetales and Laboulbeniales, from Belgium and the Netherlands. Two species are newly described based on morphology, molecular data (ITS, LSU ribosomal DNA) and ecology (host association). These are Hesperomyces halyziae on Halyzia sedecimguttata (Coleoptera, Coccinellidae) from both countries and Laboulbenia quarantenae on Bembidion biguttatum (Coleoptera, Carabidae) from Belgium. In addition, nine new country records are presented. For Belgium: Laboulbenia aubryi on Amara aranea (Coleoptera, Carabidae) and Rhachomyces spinosus on Syntomus foveatus (Coleoptera, Carabidae). For the Netherlands: Chitonomyces melanurus on Laccophilus minutus (Coleoptera, Dytiscidae), Euphoriomyces agathidii on Agathidium laevigatum (Coleoptera, Leiodidae), Laboulbenia fasciculata on Omophron limbatum (Coleoptera, Carabidae), Laboulbenia metableti on Syntomus foveatus and S. truncatellus (Coleoptera, Carabidae), Laboulbenia pseudomasei on Pterostichus melanarius (Coleoptera, Carabidae), Rhachomyces canariensis on Trechus obtusus (Coleoptera, Carabidae), and Stigmatomyces hydrelliae on Hydrellia albilabris (Diptera, Ephydridae). Finally, an identification key to 140 species of thallus-forming Laboulbeniomycetes in Belgium and the Netherlands is provided. Based on the combined data, we are able to identify mutual gaps that need to be filled as well as weigh the impact of chosen strategies (fieldwork, museum collections) and techniques in these neighboring countries. The aim of this work is to serve as a reference for studying Laboulbeniomycetes fungi in Europe.

中文翻译：

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来自比利时和荷兰的形成all虫的Laboulbeniomycetes的清单，包括哈氏Hesperomyces halyziae和Quarantenae spp。十一月

在本文中，我们介绍了来自比利时和荷兰的形成触角的拉乌尔伯尼菌（Ascomycota，Pezizomycotina）的更新清单，也就是Herpomycetales和Laboulbeniales订单。根据形态，分子数据（ITS，LSU核糖体DNA）和生态学（寄主关联）新近描述了两个物种。这些是来自两个国家的Halyzia sedecimguttata（鞘翅目，球藻）的Hesperomyces halyziae和来自比利时的Bembidion biguttatum（鞘翅目，蜘蛛科）的Laboulbenia quarantenae。此外，还提出了九项新的国家记录。对于比利时：在Amara aranea上的Laboulbenia aubryi（鞘翅目，腕足科）和在Syntomus foveatus上的Rhachomyces spinosus（鞘翅目，腕足科）。对于荷兰：Laccophilus minutus（Coleoptera，Dytiscidae）上的Chitonomyces melanurus，姬松茸上的大戟藻（Euphoriomyces agathidii）（在鞘翅目（Coleoptera，Leiodidae）上），唇形鞭毛虫（Laboulbenia fasciculata）在Omophron limbatum（鞘翅目（Coleoptera，Carabidae））上，唇形唇象（Laboulbenia metableti）在Syntomus foveatus和S.在Trechus obtusus（Coleoptera，Carabidae）上，和绣线菌（Stigmatomyces hydrelliae）在Hydrellia albilabris（Diptera，Ephydridae）上。最后，提供了识别比利时和荷兰140种变色all的Laboulbeniomycetes的识别码。基于合并后的数据，我们能够确定需要填补的共同空白，并权衡这些邻国所选策略（实地考察，博物馆收藏）和技术的影响。