* THE BAHAMA ISLANDS 281 



JANTHINOSOMA MUSICA (Say). 

 Culex musicus Say, 1829, Jour. Acad. Nat. Sci. Phil., vol. vi, p. 149. 



DESCRIPTION. Color. Light yellow. 



Size. 4.8 to 5 mm. 



Head. Honey yellow, covered with orange-brown scales, and a few yellow 

 hairs projecting on front; eyes black, with coppery reflections; antennae dark- 

 brown ; palpi dark-brown, or brilliant violet or purple in some lights ; proboscis 

 dark-brown, covered with scales and with metallic purple reflections. 



Thorax. Deep metallic brown with purplish reflections, with scattered 

 yellow and orange, flat, spindle-shaped scales, dark bristles; scutellum ochra- 

 ceous brown, dark-brown in the middle and sides; mesonotum shiny chestnut- 

 brown ; pleurae brown, with large patches of creamy white scales. 



Abdomen. Deep purplish-brown above when viewed pointing from the 

 light; when pointing to the light very brilliant metallic violet and purple; 

 laterally are patches of yellow scales, especially on the last four segments; a 

 triangular patch of yellow scales on each segment; the first segment is entirely 

 yellow, scaled beneath. 



Legs. Metallic blue and purple, in some lights almost brown; the last 

 two tarsi of the hind legs and apex of second pure white; ungues nearly the 

 same size, but slightly different form, a tooth present on each. 



Wings. Brownish tinge and brown scales, first submarginal cell slightly 

 longer and narrower than second posterior cell; branches curved, stem about 

 one-half less than its length. 



Remarks. 13 specimens of this form were taken at Tarpum Bay, July 7. 



JANTHINOSOMA VARIPES (Coq.). 

 Conchyliastes varipes Coquillett, 1904, Can. Ent., vol. xxxvi, p. 10. 



DESCRIPTION. "Black; the front and hind femora, except their broad 

 apices, the posterior side of the middle femora except their apices, and the stems 

 of the halteres, yellow, the fourth joint of the hind tarsi white; scales of palpi 

 violaceous, those of the occiput yellowish-white and with a patch of violaceous 

 ones on either side; (mesonotum abraded; what scales remain are yellowish- 

 white and a few black ones along the middle) ; scales of abdomen violet blue, 

 those on sides of first two segments, hind angles of the others except the last one, 

 under surface of each segment except the last one and base of the preceding, 



