Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Tribe Dexiini

fly - male Where are the antennae on this Tachinid? Fly on flower. - Ptilodexia Tachinid Fly - Zelia vertebrata - male Tachinid Fly? Tachinidae - Microchaetina mexicana - male Zelia ? Tachinid fly   - Zelia ruficauda - female
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon (Calyptratae)
Superfamily Oestroidea
Family Tachinidae (Parasitic Flies)
Subfamily Dexiinae
Tribe Dexiini
~100 spp. in 26 genera in our area(1)
Identified by the combination (quoted from Manual of Nearctic Diptera(2)):
only one frontal bristle arising below upper margin of pedicel
pedicel with one or two exceptionally long slender setae which are more than half as long as arista
arista pubescent or plumose
subvibrissal ridge with five or more slender bristles usually continuous with bristles of subcranial margin
Also, male with upper frontal bristles proclinate.
Parasitoids of various Holometabola, especially Scarabaeidae and Cerambycidae.
Works Cited
1.Taxonomic and host catalogue of the Tachinidae of America North of Mexico
2.Manual of Nearctic Diptera Volume 2
Varies for each chapter; edited by J.F. McAlpine, B.V. Petersen, G.E. Shewell, H.J. Teskey, J.R. Vockeroth, D.M. Wood. 1987. Research Branch Agriculture Canada.