180 CHIRONOMEDjE. 



whitish. Halteres white. Abdomen long, slender. Legs blackish, 

 long, slender. 

 Eare. (E.) 



122. obiidens, n. Mas, ater, alis subcinereis, venis albidis apud 

 .costam nigricantibus. Long. 2 ; alar. 4 lin. 



Male. Deep black. Antennae with black plumes. Wings slightly 

 greyish; costal, radial, and cubital veins blackish, the rest whitish. 

 Legs rather long and slender. 



Eare. (E.) 



1 23. effusus, n. Mas et Fcem. niger, alis sublim,pidis, venis albidis 

 apud costam testaceis, halteribus fuscis, abdomine nigro-fusco, pedibus 

 obscure testaceis. Long. 1-1 ; alar. 2 lin. 



Male and Fern. Black. Wings nearly limpid; costal, radial and 

 cubital veins pale testaceous, the rest whitish. Halteres brown. Ab- 

 domen dark brown. Legs dull testaceous, pubescent. Male. Antennae 

 with brown plumes. 



Not rare. (E.) 



124. fuscipes, Meig. Zw. i. 49. 65 (1818); Mcq.; Stag. ; Eos. ; 

 Zett. Mas, niger, alis subcinereis pubescentibus, venis albidis, halteribus 

 albis, pedibus fuscescentibus. Long. 1 ; alar. If lin. 



Male. Black. Antennae with black plumes. Wings slightly greyish, 

 pubescent ; veins whitish. Halteres white. Legs brownish. 

 Eare. In the British Museum. (E.) 



125. venosus? Meig. Zw. vi.'253. 105 (1830). Mas, niger, tho- 

 race vittis tribus testaceis, alis sublimpidis, venis halteribusque albidis, 

 illis apud costam nigricantibus, segmentorum abdominalium marginibus 

 posticis fulvis, pedibus sordide testaceis, femoribus tibiis et tarsorum 

 articulis apice nigris. Long. 2-3 ; alar. 4-4^ lin. 



Male. Black. Antennae with black plumes. Thorax testaceous on 

 each side, and with three very slender testaceous stripes. Wings nearly 

 limpid ; costal, radial, and cubital veins, and ducal transverse veinlet 

 blackish, the other veins whitish. Halteres whitish. Abdomen with a 

 tawny land on the hind border of each segment, clothed with whitish 

 down. Legs dingy testaceous ; tips of the femora, of the tibia?, and of 

 the joints of the tarsi black. 



Not rare. {E.) 



126. incomptus, n. Mas, niger, validiusculus, thoracefulvo vittis 

 tribus latissimis nigris, alis subcinereis, venis nigricantibus, halteribus 

 albidis, segmentorum abdominalium marginibus posticis cinereis, pedibus 

 fulvis, tarsis nigris. Long. 2-*-; alar. 4 lin. 



Male. Black, rather stout. Antennas with black plumes. Thorax 

 tawny above, with three very broad black dorsal stripes. Wings greyish ; 

 veins mostly blackish. Halteres dingy whitish. Abdomen pubescent, 

 with a grey band on the hind border of each segment. Legs tawny, rather 

 stout ; tarsi black. 



Not common. (E.) 



