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Primitive Orthocladiinae

midge - Diplocladius cultriger - male midge - Diplocladius cultriger - male Xylotopus par - female Midge - Xylotopus par - male Midge - Xylotopus par Midge - Xylotopus par - female Tipula Perhaps - Xylotopus par - female Primitive Orthocladiinae - Diplocladius cultriger - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Diptera (Flies)
No Taxon ("Nematocera" (Non-Brachycera))
Infraorder Culicomorpha (Mosquitoes and Midges)
Family Chironomidae (Midges)
Subfamily Orthocladiinae
No Taxon Primitive Orthocladiinae
Several genera are considered to be primitive (i.e. more similar to the common ancestor of Orthocladiinae). They often have a forked gonostylus, long dorsal eye extension, or vein R-M long and nearly parallel to R5 (Brillia group).