Transpalearctic

Guides

• Monoctonus

  Monoctonus is a genus of solitary parasitoid wasps in the subfamily Aphidiinae (Braconidae). Species in this genus are specialized parasitoids of aphids, with females laying eggs in the thoracic nerve ganglia of host aphids. Multiple species have been documented, including M. paulensis, M. nervosus, M. paludum, and M. leclanti, with distributions spanning the Palearctic, Nearctic, and Oriental regions.

  parasitoidaphid-parasitoidbiological-controlBraconidaeAphidiinaesolitary-parasitoidhost-selectionclutch-sizesex-ratiotranspalearctic

• Phymatodes testaceus

  tanbark borer, violet tanbark beetle

  Phymatodes testaceus is a transpalearctic polymorphic longhorn beetle in the subfamily Cerambycinae. Adults range from 6–16 mm in length. The species exhibits significant color variation, with some individuals showing violet or metallic reflections that contribute to the common name 'violet tanbark beetle.'

  CerambycidaeCerambycinaeCallidiiniwood-borersubcorticaldeciduous-foresttranspalearcticpolymorphicintroduced-species