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Pygidial Secretion of Stenus Rove Beetles (Coleoptera : Staphilinidae)

open access: yesPygidial Secretion of Stenus Rove Beetles (Coleoptera : Staphilinidae)
Rove beetles have a pair of pygidial excretory organs, each group secretes characteristic substances in a peculiar manner. The genus Stenus has a pair of pygidial organs, eversible by immersion in diethyl-ether at both sides of the anus. S. anthoracinus, S. melanarius vercecundus and S. rufescens were collected at ponds and river shores, and S. alienus
openaire  

Specialized bark-gnawing beetles reveal phragmotic defence and subcortical ecology in the Cretaceous. [PDF]

open access: yesProc Biol Sci
Li YD   +7 more
europepmc   +1 more source

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