THE CHIRONOMID.E. 



i«5 



[ Testaceous. Thorax with three brown stripes ; 

 ) metathorax black. Veins white. Abdomen 

 \ brown, testaceous beneath towards the base. 

 ( Legs pale testaceous. Length, 2i lin. 

 I (Var. ? V .) Whitish. Thorax us above. First, 

 ' second and third veins brown. Abdomen and 

 ( legs brown. Length, \\ lin. 

 I Black. Wings whitish. First, second, and third 

 and discal transverse veinlet brown. Length, 

 ( 2lin. (^). 



L Hoary. Wings brownish along the costa. Ab- 

 * domen brown, livid beneath. Legs blackish- 

 ) brown, long ; femora thick. Length, if lin. 



pjlack, shining. Legs brown. Length i^ lin. ( V )• 



I Black. Abdomen blackish-brown. Legs dark 



\ brown, pubescent, long and slender. Length, 



( 2i lin. ( <? ). 



Pale testaceous. Veins and halteres white. Legs 



short and stout. Length, \ lin. ( ? ). 

 Black. First, second, and third veins tes- 

 taceous. Halteres blackish. Legs ferruginous ; 

 tarsi black. Length, \\ lin. ( ? ). 



{Black. Wings as above. Halteres whitish. Legs 

 brown. Abdomen pubescent. Length, lA lin. 



i Black. Thorax gray with three bkack stripes. 



) First, second, and third veins black, rest brown. 



i Halteres white. Legs stout, pubescent. Length, 



( 2 lin. 

 Black. Halteres white with black tips. Legs 



whitish, slender. Length, i lin. ( '^ ). 

 (Var. ? $ ) Testaceous. Thorax with three brown 

 stripes. First, second, and third veins brown, 

 rest white. Abdomen with black dorsal stripe. 



f Legs dull, testaceous. Length, % lin. 



Genus. — Camptodadius^ V. d. Wulp. 

 Wings naked ; cubital vein bends upwards, and ends considerably 

 before the end of the costal ; lower prong of the postical fork curved 

 in an S-shape. Joints of the feet hairy, generally black ; first joint 

 of anterior tarsi considerably shorter than tibia;, anal ring in $ short 

 and broad ; the forceps thick, white, with white hairs. 



C. byssiiius^ Schrk. 

 Dull black ; legs somewhat paler ; blackish-brown, stout ; plumes 

 of the antennae brownish-black, whitish towards the tips ; wings milk- 

 white ; halteres black; abdomen slightly pubescent. Length, f to 



\\ lin. 



C. atcrriiiuis^ Mg. 



Deep black. Halteres black. Wings with black upper veins, rest 

 pale. Abdomen and legs very hairy ; femora stout. Larger than 

 the above (i^ to 2 lin.). Common. 



O. dcnotatns, Wlk. ... 



0. melalciicns, Mg. ... 



O. alligattis, Wlk. ... 



O. adjunclits, Wlk. ... 



0. coccqualns, Wlk. ... 



U. appositus, Wlk. ... 



0. perexilis,\^\\<. ... 



0. compcrius, Wlk. ... 



O. contiiigens, Wlk. ... 



O.fertus, Wlk. 

 6-. hahilis, Wlk. 

 0. pygiHiCUs, Mg. 



