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DIPTERA. Q51 
Genus VOLUCELLA, Geoffroy. 
VonuceLia EyEcTA, Fem. 
Nigra, fulvo-hirta, abdomine fasciis duabus nigro-hirtis ornato, antennis 
piceis, pedibus nigris, tarsis ferrugineis, alis sublimpidis fusco nebu- 
losis fasciaque brevi fusco ornatis. 
Very like V. plumata, but is partly clothed with different-coloured 
hairs, and the wings are more clouded. Black: head thickly clothed with 
tawny hairs on the crown, and having a few tawny hairs in front : eyes red : 
mouth pitchy : feelers pitchy; third joint red towards the tip; sixth joint 
tawny, black towards the tip, its hairs black, tawny at the base: chest 
thickly clothed with tawny hairs : abdomen clothed with black hairs, adorned 
with two bands of tawny hairs which are thickest on the sides, one band at 
the base paler than the other which is near the tip ; legs black, clothed with 
short black hairs ; knees ferruginous; feet ferruginous, clothed with short 
ferruginous hairs, pitchy at the tips; claws black, ferruginous at the base ; 
foot-cushions ferruginous: wings nearly colourless, veins clouded with pale 
brown ; a blackish brown spot on the fore border joining a larger brown spot 
which extends half across the wing; wing-ribs and veins tawny; veins 
black towards the tips; poisers tawny. Length of the body 7 lines; of the 
wings 14 lines. 
United States. 
VoLUcELLA LINEARIS, Fem. 
Ferruginea, capite fulvo, abdomine nigro basi fulvo, antennis pedibusque 
fulvis, alis subfulvis ad costam fuscis fulvo variis. 
Head bright tawny, clothed with short tawny hairs; a black stripe on 
each side of the peristoma: eyes black: mouth pitchy: feelers tawny ; 
sixth joint darker towards the tip: chest and breast ferruginous, clothed 
with tawny hairs: abdomen oval, black, clothed with very short black hairs, 
tawny at the base, much longer than the chest : legs tawny ; tips of the shanks 
and of the joints of the feet armed with little black spines: wings with a 
slight tawny tinge ; a dark brown stripe which is tawny here and there extends 
along the fore border and occupies near half the breadth of the wing ; wing- 
ribs and veins tawny ; veins darker in the brown parts ; poisers tawny with 
yellow knobs. Length of the body 8 lines; of the wings 16 lines. 
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