Trichacis

Trichacis is a genus of parasitoid wasps in the family Platygastridae. Members of this genus have a tuft of setae on the mesoscutellum and transverse striae or rugulae above the antennae. They are parasitoids of Cecidomyiidae, although the hosts of most species remain unknown.^[1]

Trichacis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Hymenoptera
Family:	Platygastridae
Subfamily:	Platygastrinae
Genus:	Trichacis Förster, 1856

Female specimen of Trichacis tristis, lateral habitus. Collected from Rügen Island, Germany, May 2015.

The genus has been revised for the Nearctic,^[2] Neotropics,^[3] and Europe.^[1] There have been more than 60 species described in Trichacis;^[4][5][6] however, many of these have been since synonymized.^[1]

Species

These 66 species belong to the genus Trichacis:

• Trichacis abdominalis Thomson, 1859
• Trichacis acarinata Arias-Penna & Masner
• Trichacis acuminata Arias-Penna & Masner
• Trichacis acuta Arias-Penna & Masner
• Trichacis afurcata Szabó, 1977
• Trichacis alticola Masner, 1983
• Trichacis ariaspennae Buhl, 2011
• Trichacis arizonensis (Ashmead, 1893)
• Trichacis bidentiscutum Szabó, 1981
• Trichacis bison Masner, 1983
• Trichacis celticola Masner, 1983
• Trichacis clypeata Arias-Penna & Masner
• Trichacis colombiana Arias-Penna & Masner
• Trichacis concavata Arias-Penna & Masner
• Trichacis cornicola (Ashmead, 1893)
• Trichacis cornuta Fouts, 1925
• Trichacis corrugata Arias-Penna & Masner
• Trichacis costaricana Arias-Penna & Masner
• Trichacis crossi MacGown, 1989
• Trichacis delsinnei Arias-Penna & Masner
• Trichacis denudata Buhl, 2001
• Trichacis depressa Arias-Penna & Masner
• Trichacis dianae Arias-Penna & Masner
• Trichacis didas (Walker, 1836)
• Trichacis dracula Masner, 1983
• Trichacis elongata Masner, 1983
• Trichacis fernandezi Arias-Penna & Masner
• Trichacis fusciala Szabó, 1981
• Trichacis hajduica Szabó, 1981
• Trichacis hansoni Arias-Penna & Masner
• Trichacis howensis Dodd, 1924
• Trichacis huberi Masner, 1983
• Trichacis hungarica Szabó, 1977
• Trichacis illusor Kieffer, 1916
• Trichacis indica Kieffer, 1907
• Trichacis kaulbarsi Arias-Penna & Masner
• Trichacis khajjiara Mani, 1975
• Trichacis laticornis Buhl, 2001
• Trichacis magnifica Arias-Penna & Masner
• Trichacis mahunkai Szabo, 1981
• Trichacis mandibulata Masner, 1983
• Trichacis meridionalis (Brues, 1910)
• Trichacis mexicana Arias-Penna & Masner
• Trichacis nosferatus Buhl, 1997
• Trichacis opaca Thomson, 1859
• Trichacis panamana Arias-Penna & Masner
• Trichacis pannonica Szabó, 1977
• Trichacis pecki Arias-Penna & Masner
• Trichacis pisis (Walker, 1836)
• Trichacis procera Arias-Penna & Masner
• Trichacis proximata Arias-Penna & Masner
• Trichacis pulchricornis Szelényi, 1953
• Trichacis punctata Arias-Penna & Masner
• Trichacis pyramidalis Masner, 1983
• Trichacis quadriclava Szabó, 1981
• Trichacis remulus (Walker, 1836)
• Trichacis rufipes Ashmead, 1893
• Trichacis sculpturata Arias-Penna & Masner
• Trichacis striata Masner, 1983
• Trichacis tatika Szabó, 1977
• Trichacis texana Fouts, 1925
• Trichacis transversata Arias-Penna & Masner
• Trichacis triangulata Arias-Penna & Masner
• Trichacis tristis (Nees von Esenbeck, 1834)
• Trichacis virginiensis Ashmead, 1893
• Trichacis vitreus Buhl, 1997