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Worker Dimorphism in Nasute Termites Reflects Different Tasks during Food Collection
Journal of Insect Behavior ( IF 1 ) Pub Date : 2021-05-05 , DOI: 10.1007/s10905-021-09773-1
Mário Herculano de Oliveira , Arleu Barbosa Viana-Junior , Claudilene Correia Nascimento , Maria Avany Bezerra-Gusmão

This study combines information on the differences in foraging behavior and morphological dimorphism for workers of the termite Constrictotermes cyphergaster. We observed through morphological analyzes that the workers of this species are dimorphic. Through comparisons between major and minor workers signal emissions, we can assume that each of these groups of workers performs different foraging tasks. The crop volumes of minor and major workers were measured, noting it are statistically different and this can be associated to differences in food collection. This study also provides information that during the foraging the major workers may be mistaken for soldiers by having a similar posture and coloring, which reduces their predation and enables a quick predator detection due to their position on the trails’ edges.



中文翻译:

食蚁动物中白蚁的工人差异反映了食物收集过程中的不同任务

这项研究结合了关于白蚁Constrictotermes cyphergaster工人觅食行为和形态二态性差异的信息。。通过形态分析,我们观察到该物种的工人是双态的。通过比较主要和次要工人的信号发射,我们可以假定这些工人组中的每一个都执行不同的觅食任务。对未成年工和主要工人的农作物量进行了测量,注意到这在统计上是不同的,这可能与粮食收成的差异有关。这项研究还提供了信息,在觅食过程中,主要工人可能会因姿势和颜色相似而被误认为是士兵,这减少了他们的被捕食,并且由于他们在小路边缘的位置,因此可以快速检测到被捕食的人。

更新日期:2021-05-05
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