THE CHIRONOMID.E. 



199 



iS. Brown. Black hairs on thorax. Palpi yellow. 

 Legs pale yellow ; black punctures at tips 

 of knees and tibiae. Variiis, Wtz. 



19. Yellowish-cinereous. Scutellum yellow. Palpi 



brownish - yellow. Legs pale yellow ; 



black punctures at tips of knees and tibice. Fascipeimis, Staeg 



20. Cinereous. Blackish-yellow hairs, with broad 



brown stripe and band, and few spines at 



base of wings. Legs as in 19. Pictipeiuiis, Staeg. 



21. Yellowish-cinereous. Scutellum yellow. Palpi 



yellowish-brown. Amtaiiis, \Vtz.f 



22. Gray. Dark brown stripe on each side in 



front of wing on thorax. Palpi brown. Piilicaris, L. 



23. (Jray ; white hairs. Thorax black. Legs 



pale yellowish, tips black. Palpi yellow. Albicans, W. 



24. Blackish-gray. Thorax with five stripes ; 



scutellum tawny. Legs piceous ; tarsi pale. 



Palpi black. /^stivtis, Wtz. 



25. Black. Thorax brown ; dingy yellow spot 



on each side of pectus and one on each 



shoulder. Legs brownish ; tarsi pale. Sattcl/atits, Mg. 



26. Blackish-gray. Thorax with few black hairs. 



Palpi yellow. Legs pale ; knees dark. Pu/nihts, Wtz. 



27. Blackish - brown. Thorax w" th few black 



hairs. Palpi black. Legs pale piceous. Negkctits, Wtz. 



/3/3^ Ungues without bristly hairs or onychia. One 



of the ungues longer than the other. P'irst 



tarsal joint longer than second. Subcostal 



united to cubital between middle of costa and 



tip of wing. 28. Ochmccus, Wtz. 



aa Wings quite bare. Subcostal united to costal 



between middle of fore-border and tip of wing. 

 /3 Femora unarmed, 

 y Ungues not denticulate. 



Ungues of S and 2 of equal length. 29. Lacteipcnnis, Zett. 



oc Ungues of equal length, with short claw l)y them 



in ?. 30. Nitidus, Macq. 



Mo Claw in ? longer than others. 



31. Yellowish. Head with some white marks in 



form of a cross behind crown. Palpi 

 yellowish. Thorax w^hitish-yellow, with 

 purplish-brown stripes and points. Legs 

 dark brown. Illiistris, Wtz. 



32. Yellowish ; occiput and vertex fuscous. Palpi 



fuscous. Thorax glossy black ; scutellum 

 yellow. Legs pale yellow and blackish 

 joints. Gracilis, Hal. 



/3/3 Some or all the femora spinose on the under side. 



y Ungues without spines. 



Ungues equal in $ and ? . Plantae hairy. 



'^'i^. Black and shiny. Femora with eight spines. Flavipes, Mg. 



34. Blackish-brown. Fore femora seven, mid 



femora one, hind femora three spines. Spinipes, Mg. 



35. Blackish-brown. Fore femora six to ten 



spines ; halteres yellowish, black tip. Brachialis, Hal. 



36. Yellow. Fore femora six to ten spines ; 



halteres cream-white. Distinctus, Hal. 



* Wrings grayish, with two short white bands in front ; first about middle, 

 extending from costa to full half the breadth ; second nearer tip ; white streak 

 along hind-border near base. 



t Wings gray, pubescent, marked with some large limpid spots and some small 

 brown spots. 



14 — 2 



