CERATOPOGON. 235 



Zett.? ; Winn.! Linn. Ent. vi. pi. 8. f. 69. Fcem. canus, antennis albis 

 basi fuscis apices versus nigricantibus, thorace vittis tribus scutelloque 

 fuscis, alis albidis, venis halteribusque albis, abdomine carneo, pedibus 

 albis nigro-fasciatis. Long. 1 ; alar. 2 lin. 



Fern. Hoary. Palpi white. Antennae white, brown at the base; 

 joints from the first to the eighth oval ; from the ninth to the thirteenth 

 elliptical, blackish. Thorax with three coffee-brown stripes. Scutel- 

 lum brown. Wings whitish ; veins and halteres white. Abdomen 

 flesh-colour, white in the dead insect. Legs white ; joints of the tarsi 

 with black tips ; fore femora with two black bands and with black tips ; 

 fore tibia? with one black band and with black tips ; middle femora 

 black at the base and at the tips ; middle and hind tibiae black at the 

 tips ; hind femora black for half the length from the base, and with 

 black tips. 



(E.?) 



72. venustus, Meig. Zw. i. 78. 24 (1818); Mcq.; Slseg. ; Zett. ; 

 Winn.! Linn. Ent. vi. pi. 8. f. 70. concinnus, Meig.; Zett. Fcem. 

 niger, nitidus, palpis antennisque flavo-albis, his apices versus fuscis, 

 alis parvis limpidis, venis apud costam fuscis, halteribus albis, abdo- 

 mine flavido-albo, pedibus flavis, femoribus tibiis tarsisque apice nigris, 

 tibiis posticis nigro-cirictis. Long. 1^ ; alar. 2^ lin. 



Fern. Black, shining. Palpi and antennae yellowish-white ; ninth 

 and four following joints of the latter brown. Wings small, limpid, 

 appearing whitish when seen on a dark surface ; veins towards the 

 costa brown. Halteres white. Abdomen yellowish-white. Legs yel- 

 low ; femora, tibiae, and tarsi with black tips ; hind tibiae with a 

 more or less broad black band ; fifth tarsal joint elongated, its onychia 

 bristly. 



Rare. (E.) 



73. signatus, Meig. Zw. i. 74. 16 (1818) ; Stag. ; Zett.; Winn. ! 

 Linn. Eut. vi. pi. 8. f. 71. Mas et Fcem. ater, palpis albidis, thorace 

 vittis tribus maculisque duabus lateralibus argenteis, alis albidis, venis 

 pallidis apud costam subfuscescentibus, halteribus nigro -fuscis petiolis 

 basi albidis, abdomine nigro-fusco albido-pubescente, pedibus nigro- 

 fuscis, femoribus anterioribus flavo-albo unifasciatis, tibiis flavo-albo 

 bifasciatis, tarsis albis articulis apice nigris ; Mas, antennis nigris plumis 

 aurato-fuscis ; Fcem. antennis albo-fasciatis apices versus totis fuscis. 

 Long, f-; alar. 1^ lin. 



Male and Fern. Palpi whitish. Thorax deep black, dull, icith three 

 silvery white stripes, and on each side with a silvery-white streak; pectus 

 with two silvery-white spots on each side. Wings whitish ; veins pale, 

 brownish towards the costa. Halteres blackish-brown, whitish at the 

 base. Abdomen blackish-brown, with short whitish down. Legs black- 

 ish-brown ; anterior femora with a yellowish-white band near each tip ; 

 tibiae with a yellowish-white band at the base and another at the tip ; 

 tarsi white, their joints with black tips ; fore femora with a subapical 



