230 CHIRONOMID.E. 



hyalinis subfuscescentibus macula media costali fusca, venis fuscis apud 

 costani nigro-fuscis, halteribus albis, abdomine nigro-fusco, pedibus ful- 

 vis nigro-variis. Long. 1-li ; alar. 2-2^ lin. 



Male and Fern. Black, shining, almost bare. Face, proboscis, and 

 palpi brownish-yellow, or blackish -brown ; second and fourth joints of 

 the palpi elongated. Thorax and border of the scutellum with a few 

 black bristles. Pectus tawny, blackish-brown on each side, or wholly 

 blackish-brown, with a silvery white spot on each side. Wings hyaline, 

 slightly brownish, with a brown spot on the middle of the costa ; veins 

 stout, brown, almost blackish-brown towards the costa. Halteres white. 

 Abdomen blackish-brown. Legs tawny. Fore legs with the knees, 

 the tips of the tibiae, and the tips of the first and second tarsal joints, 

 black ; third and fourth tarsal joints blackish-brown ; fifth black, with 

 a snow-white band. Posterior legs, with the femora towards the tips, 

 the tips of the tibiae, and the tips of the three first tarsal joints, black ; 

 fourth and fifth joints blackish-brown. Hind tibiae black for one-third 

 or one-half the length from the base. Fourth tarsal joint with a long 

 spine on each side. Male. Ungues long, stout, of equal length. An- 

 terior femora with one spine ; hind femora with two spines. Fern. Darker 

 than the male. Antennae almost two-thirds of the length of the body ; 

 joints from the first to the eighth cylindrical, somewhat contracted in 

 the middle ; from the ninth to the thirteenth much elongated, cylindri- 

 cal, with the base somewhat thickened ; first joint twice the length of 

 the second. Posterior ungues of unequal length. Anterior femora with 

 two spines ; hind femora with three spines. 



(E..P) 



60. ferruginous, Meig. Zw. vi. 265. 58 (1818); Staeg. ; Zett. ; 

 Winn. ! Linn. Ent. vi. pi. 7. f. 58. Fcem.ftdvus, antenriis apices versus 

 fuscis, metathorax inaculis duabus fuscis, alis limpidis, venis apud cos- 

 tarn flavescentibus, halteribus niveis, abdomine pallido, pedibus 'pallide 

 fulvis nigro -fascia tis, fernoribus spinosis. Long. 1-f- ; alar. 3^- lin. 



Fern. Tawny. Antennae somewhat paler ; joints from the first to the 

 eighth elongate, oval, almost cylindrical, somewhat straightened in the 

 middle, with brown tips ; from the ninth to the thirteenth brown, much 

 elongated, cylindrical, thick at the base. Metathorax with a brown 

 spot, which is intersected by a slender tawny stripe. Wings limpid; 

 veins towards the costa yellowish. Halteres snowy-white. Abdomen 

 in the living insect white, with a yellowish tinge, more or less brownish 

 after death ; fourth and fifth segments generally with a brown spot on 

 each side. Legs pale tawny ; tips of the first, second, and third joints, 

 and the whole of the fourth and fifth joints of the tarsi, black, as are 

 also the tips of the tibiae; fore femora slightly incrassated, armed with 

 three spines ; fore knees and apical third t part of the posterior femora 

 black, the latter with four spines. 



Not rare. (E.) 



61. serripes, Meig. Zw. i. 82. 34 (1818) ; Winn. ! Linn. Ent. vi. 



