XOTES OX CULICIDAK. "ill 



Subgenus Ochlerotatus (Arrib.), Edw. 



Group Finhya, Theo. 



Finlaya, Theo., Mon. Cul. iii. p. 281 (1903). 



Danielsia, Theo., Entoin. xxxvii, p. 78 (1901). 



Hulecoetomyia, Theo., Entom. xxx\'ii, p. 1^3 (1901). 



Popea, Ludl., Can. Ent. xxx\^ii, p. 95 (190."5). 



Phagoiinjia, Theo., Gen. Ins. Cul. p. 21 (1905) (type, P. gubenmtons). 



Lepidotomijia, Theo., Gen. Ins. Cul. p. 22 (1905) (type, L. magna). 



Protomacleaya, Theo., Mon. Cul. iv, p. 253 (1907) (type, P. fn'sermfa). 



PsendocarroUia, Theo., Rec. Ind. Mus. iv, p. 13 (1910). 



This group can apparently be distinguished from Sfegowyi'a and from OchlerotaUis 

 (s. str.) by the characters of the female abdomen, the eighth sternite being very large, 

 much larger than the tergite, and always exserted in repose ; the cerci are always 

 short. This character can be seen best in side view, the tip of the abdomen being 

 laterally compressed. The male palpi are more or less intermediate between those of 

 Stegomyia and Ochlerotatus (s. str.), most of the species having the last two joints 

 slightly swcjllen and rather hairy ; a few species {trilmeatus, japonicvs. etc.), which I 

 propose now to include here on account of the structure of the female abdomen, have 

 the male palpi almost exactly as in Stegomyia. 



The male genitalia are of a fairly uniform type : the side-pieces without basal or 

 apical lobes ; the claspers simple, with a long terminal spine (rarely short) : the har- 

 pagones well developed, with the terminal appendage long, curved and filamentous. 



The scale characters, as usual, are extremely variable in different species, but most 

 of the species are highly ornamented in one way or another. 0. {F.) poiciJia and its 

 allies are at first sight very different from most of the other species, and have some 

 peculiarities in the male genitalia, but they are approached in this respect by 

 0. {F.) pidchriventer, while the structure of the female abdomen is normal. 



The group is probably a natural one, since all the species, so far as known, are tree 

 and plant breeders, but neither in larval nor adult characters is it possible to draw any 

 sharp or satisfactory distinction from the other genera or subgenera of the Aedes 

 group. Some at least of the larvae have much more numerous branched hairs on the 

 abdomen than is usual in Ochlerotatus. 



The following species may be included in this group : — 



Nearctic Region : triseriatus, Say. Palaearctic Region : geniculatxs, 01. 

 { = lateraUs, Mg.) ; eatoni, Edw.; oreophibis, Edw.: ^>»7r/»-n'e»/?/", Giles; 

 japonicus, Theo. ; togoi, Theo. ; tuocfarlanei, 'Ed^-. Ethiopian Region : hngipalpis, 

 Griinb. {wellmam, Theo., a.nd fascipalpis, Edw., may also belong here, but the structure 

 of the female abdomen is more like that of Stegamyki). Oriental Region : poicilia, 

 Theo. ; flavipennis, Giles ; gubenmtoris, Giles ; melanopterus, Giles ; lophoventralis, 

 Theo. ; trilineatus, Theo. : albofaeniatvs, Theo. ; niveiis, Ludl. ; psendotaeiiiatus, 

 Giles; greeni, Theo. ; leuconieres, Giles. Australasian Region : nofoscript as, Sknse; 

 mist raliensis, Theo. ; hochi, Don. 



