427 



Wirth and Stone: Diptera 



Fig, 14:39. Heleidae. a-c, Johannsenomyia sybleae Wirth: a, wing; b, male genitalia; c, fifth 

 tarsal segment of female, d,e, Palpomyia kernensis Wirth: d, fifth tarsal segment of female; e, 

 wing. f,g, Bezzia punctipennis (Will.): f, wing; g, male genitalia, h-/, Probezzia flavonigra 

 (Coq.); h, wing; /, fifth tarsal segment of female; /', male genitalia, k-m, Forcipomyia calcarata 

 (Coq.), larva: k, head, lateral view; m, caudal segments, lateral view; /, respiratory organ of 

 pupa, n-t, Dosyhe/ea spp. Respiratory organ of pupa: n, johannseni (Mall.); o, mufabilis (Coq.); 

 p, sp., longipalpus group; q, pollinosa Wirth. Operculum of pupa: r, mutabilis. Last segments of 

 pupae: s, sp., longipalpis group; f, pollinosa Wirth. u-ee, Cu/ico/c/es, immature stages. Respiratory 

 organs of pupa: u, /ufeovenus R. and H.; v, un/co/or (Coq.); y, variipenni s (Coq.). Operculum of 

 pupa: w, van ipenni s; x, /ufeovenus. Last segment of pupa: z, vari ipenni s; ao, un/co/or. Head 

 of larva: bb, variipenni s; cc,dd, un/co/or. Last segment of larva: ee, un/co/or. ff-ii, Forcipomyia 

 cinctipes (Coq.), Larva: ff, lateral view; gg, head. Pupa: hh, respiratory organ; //, pupa with 

 larval exuviae attached (Wirth, 1952). 



Body flattened, oval in cross section; lateral processes 

 of body at least as long as segments (fig. 14:41a) 



Atrichopogon Kieffer 



Body circular in cross section, or if flattened slightly, 

 segments with processes less than 1/2 as long as seg- 

 ment (fig. 14:39A;,m,//-AA) Forcipomyia Meigen 



3. Head well developed, head capsule well sclerotized 

 (figs. 14:387, U:2>§bb-dd; 14:42*,;') 4 



— Head capsule not sclerotized; internal system of heavily 

 sclerotized rods and levers (fig. 14:40a) (LEPTOCO- 

 NOPINAE) Leptoconops Skuse 



4. Last, body segment with retractile proleg bearing 10 to 



