CHIRONOMUS. 179 



latis fere contiguis nigris, alis subcinereis, venis albidis apud costam 

 nigris, halteribus albis, abdomine nigro-fmco, pedihm fimis, tarmnigris. 

 Long. 2-2 i ; alar. 4 lin. 



Male and Feui. Black. Thorax above dhigy testaceous, with three broad 

 almost confluent black stripes. Wings slightly greyish ; costal, radial, 

 and cubital veins, and discal transverse veinlet black, the rest whitish. 

 Halteres white. Abdomen broionisU-black, not pubescent. Legs brown, 

 long, slender ; tarsi black. Male. Antenna? with black plumes. 



Not common. (E.) 



117. intrudens, n. Mas et Foem. niger, thorace fulvo vittis tribus 

 nigris, alis subcinereis, venis albidis apud costam fuscescentibus, halte- 

 ribus testaceis, pedibus ferrugineis, tibiis anticis tarsisque nigricautibus. 

 Long. 3-3i ; alar. 5-6 lin. 



Male and Fern. Black. Thorax tawny, with three black stripes. Wings 

 slightly greyish ; costal, radial, and cubital veins, and discal. transverse 

 veinlet brownish, the other veins whitish. Halteres testaceous. Legs 

 ferruginous ; tarsi and fore tibiffi blackish. Male. Autennse with black 

 plumes. 



Not rare. (E.) 



118. pervulsus, n. Mas, niger, validiusculus, alis Umpidis basi 

 nigricautibus, venis et halteribus albidis, pedibus obscure fuscis sat ro- 

 bustis. Long, li-2 ; alar. 2^-4 lin. 



Male. Black, rather stout. Antennae with black plumes. Wings 

 limpid, blackish at the base ; veins and halteres whitish. Legs dark 

 brown, rather stout. 



Not common. (E.) 



119^ inscendens, n. Mas et Fcem. niger, validiusculus, alis albo- 

 lirapidis, venis et halteribus albis, tibiis posterioribus albidis basi ajncerpie 

 nigris. Long. 2|-; alar. 4 lin. 



Male and Fern. Black, rather stout. Wings limpid-white ; veins and 

 halteres white. Ljcgs moderately long ; posterior tibice lohitish, black at 

 the base and at the tips. Male. Anteunai with black plumes. 



Not common. (E.) 



120. excerptus, n. Mas, niger, alis .subcinereis, venis albidis apud 

 costam fuscis, halteribus teataceis, femoribus piceis basi testaceis. Long. 

 li ; alar. 2|- lin. 



Male. Black. Antenna? with black plumes. Wings slightly greyish ; 

 costal, 7-adial, and cubital veins, and discal transverse veinlet brown, the 

 other veins whitish. Halteres testaceous. Legs black ,- femora piceous, 

 testaceous at the base. 



Eavc. (E.) 



121. nactus, n. Mas, niger, alis subcinereis, venis albidis, \ia\ie- 

 rihvis a\h\s, pedibus nigricafdibus. Long. l2-2; alar. 2,v-3 lin. 



Male. Black. Antcnnie with black plumes. Wings greyish ; veins 



