210 CHIRONOMIDjE. 



pilis nigro-cinereis ; Mas, alls lacteis albo-pilosis, costa nigra setosa, 

 venis albis ; Fcem. alls limpidis nigro-hirtis, marline postico albo-ciliato, 

 gutta costali argentea, feraoribus tibiisque posticis iucrassatis. Lon'g. 

 |--1 ; alar. lf-2 lin. 



Male and Fern. Slack, shining, clothed with black hairs. Halteres 

 white ; petiole sometimes brownish. Abdomen occasionally brownish- 

 black, its hairs blackish-grey, with whitish reflections. Legs piceous, 

 with blackish-grey hairs. Male. Plumes of the antenna) with whitish 

 reflections at the tips. Wings milk-white, with white hairs; costa black, 

 bristly ; veins white. Fern. Wings limpid, with black hairs ; hind border 

 with a white fringe ; costa with a silvery white dot. Hind femora and 

 hind tibise more or less iucrassated. 



(E.?) 



4. bipunctatus, Linn. S. N. ii. 978 (1767); Gmel; Meig.; Mcq.; 

 Staeg.; Rs.; Zett. D. S.tricfiopterus, Hoffm.; Meig. (1818) ; Whin.! 

 Linn. Ent. vi. pi. 3. f. 4. geniculatus, Guer. hirtulus, Zett. I. L. Mas 

 et Fcem. piceus, thorace Jlavido-hirto, pectore antico albido, alls hyalinis 

 cinereo-hirtis, puncto basali guttaque media costali albis, halteribus flavis, 

 abdomine cano-hirto, pedibus albido-hirtis ; Mas, antennarum pluma 

 apice flavido-alba, abdominis incisuris albidis. Long. J~l ; alar, lf-2 

 lin. 



Male and Fern. Piceous. Thorax thinly clothed icith yellowish hairs. 

 Pectus whitish in front, and with yellowish streaks on each side. Wings 

 hyaline, clothed with greyish hairs, with a white dot beyond the middle 

 of the costa ; veins brown towards the costa. Halteres yellow. Ab- 

 domen with hoary hairs. Legs clothed with long white hairs. Male. 

 Plumes of the antenna? yellowish-white towards the tips. Wings and 

 legs paler than those of the females. Abdominal segments with white 

 sutures. Fern. Femora and tibise more or less thickened. 



Generally distributed. (E. S. I.) 



5. Kaltenbachii, Winn. ! Linn. Ent. vi. 19. 5. pi. 3. f. 5 (1852). 

 Mas et Fcem. nigro-cinereus, thorace flavido-hirto, vitta laterali sordide 

 flava, scutello saBpissirae flavido-marginato, pectore antico albido, alls 

 hyalinis cinereo-hirtis, venis pallide fuscis apud costam obscurioribus, 

 halteribus abdominisque incisuris albidis, pedibus sordide albo-flavis ; 

 Mas, antennarum pluraa apice albida, tibiis posticis nonnihil iucrassatis ; 

 Fcem. antennis flavo-fuscis, femoribus tibiisque posticis incrassatis. Long. 

 1-H; alar. 2-2^ lin. 



Male and Fern. Blackish-grey. Thorax clothed with short yellowish 

 hairs, with a yellowish stripe along each side. Scutellurn fringed with 

 long black yellow-glistening hairs, generally with a yellow border. Pectus 

 whitish in front. Wings hyaline, clotJied with grey hairs ; veins pale 

 brown, darker towards the costa. Halteres white or whitish-yellow. 

 Abdomen with whitish sutures. Coxa3 whitish-yellow ; legs darker, 

 clothed with long brownish yellow-glistening hairs ; hind femora occa- 

 sionally brown at the tips. Male. Plumes of the antennae whitish at 



