82 BOMBYLID^E. 



with bands of alternate black and white hairs. Legs tawny, beset with 

 a few bristles ; tarsi black towards the tips. 



Generally distributed ; appears in the spring. (E. S. I.) 



2. medius, Lin. s. n. ii. 1009. 2 (1763); Dg. ; Fb. ; Shr. ; Dnv. ; 

 LI. ; Mg. ; Fin. ; Mq. ; Ztt. discolor, Mk.; Mg. ; Mq. concolor, Mk. ; 

 LI. ; Mg. ; Mq. ; Zll. Niger, pilis flavis dense hirtus, thorace subtus 

 fulvo-piloso, alls subcinereis basi et ad costam flavo-fuscis fusco- 

 \4f-maculatis, abdomine fulvo-piloso basi flavo-piloso subtus nigro- 

 piloso, dimidio dorsali apicali vittatim argenteo-piloso, pedibus fulvis. 

 Long. 5-6; alar. 12-14 lin. 



Body black, most thickly clothed with hairs. Head clothed with 

 yellow hairs, and on each side of the epistoma with a few black hairs. 

 Proboscis nearly as long as the body. Palpi clothed with a few black 

 hairs, as are also the first and second joints of the antennae. Thorax 

 clothed above with yellow hairs, and beneath with tawny hairs. Wings 

 slightly tinged with grey, yellowish-brown at the base, and along the fore 

 border, beneath which are 14 brown spots. Halteres brown. Abdomen 

 clothed with tawny hairs, at the base with yellow hairs, at the tip and 

 beneath with black hairs, and along half the length to the tip with a 

 stripe of short silvery hairs. Legs tawny ; tips of the tarsi blackish. 



Generally distributed ; appears in the spring. (E.) 



3. ctenopterus, Mk. ! m. b. 45. 8. pi. 3. f. 8 ; Mg. minor? Mg. 

 Niger, pilis flavis vel fulvis dense hirtus, alls limpidis vel subcinereis 

 basi ad discumplus minusve fuscis, pedibus fulvis, tarsis nigris. Long. 

 2|_3i; alar. 7-9 lin. 



Black, very thickly clothed with yellow or tawny hairs ; some black 

 hairs on the crown and on each side of the epistoma. Proboscis much 

 shorter than the body. Palpi clothed with a few long tawny hairs. 

 First and second joints of the antennaB clothed with a few long black 

 hairs. Wings colourless or pale grey, brown at the base, and from one- 

 third to two-thirds of the length beneath the fore border. Halteres 

 tawny. Abdomen with a few black hairs towards the tip. Legs 

 tawny, beset with short black bristles ; tarsi black ; onychia yellow. 



Bare. (E. S. I.) The darker variety of this species seems to 

 correspond with the B. venosus of Mikau or the B. minor of 

 Meigen. 



4. minor, L. s. n. ii. 1009. 4 (1763); Fb. ; Fin.; Ztt. Niger, 

 pilis flavis dense hirtus, palpis fulvis, alls subcinereis basi et bistriente 

 antica basali fuscis, pedibus fulvis, tarsi nigris. Long. 3 ; alar. 8 lin. 



Black, very thickly clothed with yellow hairs. Proboscis shorter than 

 the body. Palpi tawny. First and second joints of the antennae 

 clothed with a few long tawny hairs. Wings pale grey, brown at the 

 base and along two-thirds of the fore border. Halteres yellowish-white. 

 Legs tawny, beset with short black bristles ; tarsi black. 



Bare. (E. S.) 



