1904 140. ISotiphila. 



gros subiminaciilatos, a reliqiiis ahiinde differl. — Froris obsciira, 

 selcsa, maciila siipra aiilennas dislincla iiallida. Anleiin» seta 

 6 — 7-radiala. Epistoma inferne tantiiin leviler dilalaliiin, liaiid 

 de.^cendens, ajiice nlriiHjiie siibimpressiim. Viltrissae iilrinque 

 5. qtiariim 3 siijieriores inagis emiiienles. Prjelerea selula so- 

 lita mystacina ulrinqiie iii siini oris. Palpi retracti, flavi. 

 Oculi majusculi, ovales, iu viva rufescenles. Gense brevissimsp. 

 Tliorax sujira jiarce selosus. Pleura! obscure cinerese. Abdo- 

 men obloiigo-ovaliim, i>iiberuluin, olivaceo-nigriim, certo Iiimi- 

 nis situ aneo-micans. Segmenliim 4:tuin 3:lio paullo longius. 

 Nervi alarum fere ut in A. grisea (34). Segmenlum cosla 

 2;duin 3:lio vix 1. paulliilum tantiim longiiis. Nervus longit. 

 5:liis ajiice pariim abbrevialus fere iisque ad summum margi- 

 nein alse inleriorem exleiisus. Halleres jiallide cilrini. Pedes 

 simplices, i>uberuli, jiiceo-nigri, leviler ciiiereo-micantes. Coxae 

 sallem anticce cinerese 1. canescenles. Geniciila |)unclo in fra- 

 ctura ferrugineo. Tarsl plerumque dilutiores. Metatarsi po- 

 stici fusco-ferruginei. — Anlennariiin ajiex in 9 plerumque 

 leviter fuscescens. 



39. N. nigricans : senrscenli nigra nilida, snblus 

 cinerra ; epislomale planiusculo, aigenloo, - raacula supia 

 anlennas concoloie; vibrjssis uliinque 5 snbiequalibus; 

 anlennis nigris, arliculo ullinrio basi anguslissime leslacco; 

 abdominis sogmenlis poslerioribus subicque longis; alis 

 cinereo-byalinis, segmenlis coslae 2 tfe 3 subaeque longis; 

 pedibus nigricanlibus, melalaisis poslicis fusco-lcslaceis. 

 <J$. (Long. fere | |in.). 



Mas: abdomen allenuatum, segmento 6:to inilexo, brevissimo, 



appendice lineari-ovata, iiigra; 

 Fem.: abdomen subovatum, segmento C:lo annulalo. 



Slenh. Monogr. 234. 30. (^$. vera (secundum speci-J 

 men lypicum ab Ipso accepluui). — Hydrcllia manra Meig.i 

 Dipt. 1. 314. 24? (ul conjicil I). Slenhummar \. c). | 



