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Species Eupelmus messene

Eupelmidae, bracypterous wasp - tibial spur - Eupelmus messene - female tiny hopping wasp - Eupelmus messene - female W2 - Eupelmus messene - female Tiny Wasp - Eupelmus messene - female Eupelmus? - Eupelmus messene - female wasp - Eupelmus messene - female Small parasitic wasp - Eupelmus messene Eupelmidae, dorsal - Eupelmus messene - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Parasitica" (parasitic Apocrita))
Superfamily Chalcidoidea (Chalcidoid Wasps)
Family Eupelmidae
Subfamily Eupelminae
Genus Eupelmus
Species messene (Eupelmus messene)
Synonyms and other taxonomic changes
Eupelmus messene Walker, 1839
Formerly treated as a synonym of Eupelmus vesicularis (Retzius, 1783), which does not occur in North America (Fusu 2017).
Identification
Females are brachypterous. The reduced fore wings are bent upright at a right angle at the level of the base of the abdomen.
Remarks
One of the most ubiquitous eupelmids in North America. It is thought to have been introduced into N. Am. from Europe with the earliest settlers. It has over 140* hosts recorded and only females are known in N. Am., where the species apparently is parthenogenetic.

* This was the number for Eupelmus vesicularis before the species was split by Fusu (2017); see that paper for confirmed hosts of E. messene.
Print References
Fusu, Lucian. 2017. An integrative taxonomic study of European Eupelmus (Macroneura) (Hymenoptera: Chalcidoidea: Eupelmidae), with a molecular and cytogenetic analysis of Eupelmus (Macroneura) vesicularis: several species hiding under one name for 240 years. Zoological Journal of the Linnean Society 181(3): 519–603. (Abstract)