Synonyms and other taxonomic changes
Tachina setipennis Fallén, 1810
Tachina spinipennis Meigen, 1824
Explanation of Names
Possibly named after the rows of bristles along veins R1 and R4+5.
Arista with three nearly equal segments (see Manual of Nearctic Diptera page 1231 figure 132). Face with downcurved bristles well separated from frontal bristles. Vein M with obtuse bend similar to Siphonini. R1 and R4+5 hairy along most of length. Antenna sometimes orange near insertion of arista. Abdomen with discal and marginal bristles on tergites 3-5, none on tergite 1+2.
Introduced to Portland, Oregon in the 1920s to control the European earwig Forficula auricularia
. Widespread in northern USA and southern Canada.
Mote, Don C. 1931. The introduction of the Tachinid parasites of the European earwig in Oregon. Journal of Economic Entomology 24:948-956
. Biology of Triarthria setipennis
(Fallen) (Diptera: Tachinidae), a native parasitoid of the European earwig, Forficula auricularia
L. (Dermaptera: Forficulidae), in Europe
Biocontrol Science and Technology
. Biology and host range testing of Triarthria setipennis
and Ocytata pallipes
(Diptera: Tachinidae) for the control of the European earwig (Forficula auricularia