236 CHIKONOMID^. 



spine. Male. Aiitemife black, their plumes brown, gilded. Fem. Joints 

 of the antenna3 from the first to the eighth oval, with white bands ; 

 from the ninth to the thirteenth brown, elliptical. 

 Rare. (E.) 



74. gracilis, Winn. Linn. Ent. vi. 76. 73 (1852). Mas et Fcem. 

 rnxfer, nitidus, palpis albidis, alis albidis, venis pallidis ap\id costam 

 svUjfuscescentibus, halteribus nigro-fuscis, petiolis basi albidis, pedibus 

 anterioribns albis nigro-fusco-fasciatis, femoribus tibiisque posticis nigro- 

 fuscis ; Mas, antennis nigris plumis aurato-fuscis ; Fwm. antennis albo- 

 fasciatis apices versus totis fuscis. Long. 1-li ; alar. 2-2^ lin. 



Male and Fem. Black, sldniiuj. Palpi whitish. Wings whitish ; 

 veins pale, brownish towards the costa. Halteres blackish-brown, 

 whitish at the base. Anterior legs white ; apical band of the femora, 

 knees, middle band and tips of the tibiae, and tips of the joints of the 

 tarsi, blackish-brown ; fore femora with a subapical spine. Hind legs 

 blackish-brown, shining ; femora and tibia? yellowish at the base ; tarsi 

 white, their joints with black tips. Male. Antennas black, their plumes 

 brown, gilded. Fem. Joints of the antennae from the first to the eighth 

 oval, with white bands ; from the ninth to the thirteenth brown, ellip- 

 tical. 



(E.?) 



75. ornatus, Meig. Zw. vi. 262. 47 (1830); Winn. Mas et Fcem,. 

 ater, capite postico albicante, palpis fusco-flavis, tliorace snhnltldo cine- 

 rascerde vittis trihiis macidisque dnahus lateralibus argentels, alis albidis, 

 venis pallidis apud costam subfuscesccntibus, halteribus albis apice ni- 

 yris, abdomine nigro-fusco aut nigro vix nitido, pedibus flavis fasciis 

 nigro-fuscis, tarsis albis articjulis apice nigro-fuscis ; Mas, antennis 

 fuscis, plumis aurato-fuscis ; Fo3m. antennis fuscis flavo-cinctis. Long. 

 1 ; alar. 2 lin. 



Male and Fem. Hind part of the head glistening-whitish ; two black 

 marks behind the vertex. Palpi brownish-yellow. Thorax deep black, 

 slightly shining, with a dark greyish glistening, adorned with three stripes, 

 and on each side with two spots of a silvery hue. Wings whitish ; veins 

 pale, brownish towards the costa. Halteres white ; the knobs, or the 

 tips of the knobs, black. Abdomen blackish-brown or black, hardly 

 shining, except at the tip. Legs yellow ; femora and tibiae with black 

 hands, which are very broad on the hind legs ; tarsi white, their joints 

 with blackish-brown tips ; fore femora with a spine beneath towards 

 the tips. Male. Antennae brown, their plumes gilded-brown. Fem. 

 Joints of the antenna; from the first to the eighth oval, yellow towards 

 the base, brown towards the tips ; from the ninth to the thirteenth 

 elliptical, brown. 



Not common. (I'i.) 



76. albipes, Winn.! Linn. Ent. vi. 77- 7 1. pi. 8. f. 72 (1853). 

 Mas, ater, nitidus, antennarum plumis apice albidis, alis albis, venis 

 pallidis apud costam pallide fuscesccntibus, halteribus nigris, tarsormn 



