CHIRONOMUS. 161. 



with a distinct black cliscal dot ; costal, radial, and cubital veins testa- 

 ceous, the rest white. Abdomen with a black band on each segment ; 

 these bands are not, or hardly, apparent in immature specimens. Legs 

 green ; tips of the tibiae black ; tarsi testaceous, their joints with black 

 tips. Male. Antennae with brown plumes. 

 Generally distributed. (E. S. I.) 



33. viridanus? Mcq. H. N. D. i. 52. 22 (1834) ; Meig. Fcem. 

 viridis, thorace vittis tribus luteis, alls limpidis, venis albidis apud costam 

 testaceis, abdomine prasino, halteribus pedibusque pallide viridibus, tibiis 

 et tarsorum articulis apice nigricantibus. Long. l|-2 ; alar. 3-4 lin. 



Fern. Green. Thorax with three luteous stripes. Wings limpid ; costal, 

 radial, and cubital veins testaceous, the rest whitish. Halteres pale green. 

 Abdomen grass-green. Legs pale green ; tips of the tibiae and of the 

 joints of the tarsi blackish. 



Not rare. (E.) 



34. dispessus, n. Mas et Fcem. pallide viridis, thorace vittis tribus 

 luteis, alts limpidis, venis albidis apud costam testaceis, pedibus testaceis, 

 tibiis et tarsorum articulis apice tarsisque anticis totis nigricantibus. Long. 

 2^ ; alar. 4 lin. 



Male and Fern. Pale green. Thorax with three luteous stripes. Wings 

 limpid ; costal, radial, and cubital veins pale testaceous, the rest whitish. 

 Halteres pale green. Legs testaceous; tips of the tibiae, and of the 

 joints of the tarsi, and the whole of the fore tarsi, blackish. 



Not common. (E.) 



35. parilis, n. Mas et Fcem. viridis, thorace vittis tribus pallide 

 testaceis, alls pubescentibus subcinereis, venis albidis apud costam tes- 

 taceis, halteribus albis, tibiis et tarsorum articulis apice tarsisque anticis 

 totis nigricantibus. Long. 2-3 ; alar. 3-4 lin. 



Male and Fern. Green. Thorax with three pale testaceous stripes. 

 Wings pubescent, slightly greyish ; costal, cubital, and radial veins tes- 

 taceous, the rest whitish. Halteres white. Legs pale green ; tips of 

 the tibiae, and of the joints of the tarsi, and the whole of the fore tarsi, 

 blackish. Male. Antennae with testaceous plumes. Var. /3. Pale green. 

 Stripes of the thorax almost obsolete. 



Common. (E.) 



36. mancus, n. Mas, viridis, thorace vittis tribus luteis, alls lim- 

 pidis, venis albidis, pedibus testaceis, femoribus, tibiis et tarsorum arti- 

 culis apice nigricantibus. Long. \~ ; alar. 3 lin. 



Male. Green. Antennae with brown plumes. Thorax with three 

 luteous stripes. Wings limpid ; veins whitish. Halteres pale green. 

 Legs pale testaceous ; tips of the femora, of the tibiae, and of the joints 

 of the tarsi, blackish. 



Not common. (E.) 



37. convictus, n. Mas et Fcem. pallide viridis, validiusculus, tho- 



VOL. IV. Y 



