142 



Syrphidae. 



tinged, most towards tlie stigma; upper angle at the upper marginal 

 cross-vein acute. Squamulæ whitisli, with yellow margin and fringe. 

 Balteres orange. 



Female. Frons somewhat broad, slightly widening downwards, 

 shining, without channels, only a little marginate at each side towards 



Fig. 65. Wing of C. scutellata d". 



the margin of the eye; it is yellow-haired, only in front of the ocelli 



a few darker hairs; on each side above the antennæ is a small dust 



spot. Epistoma has below the eyes 

 a yellow or brownish yellow spot, 

 stretching from the eye to the lower 

 margin. Third antennal joint slightly 

 larger than in the male. Thorax with 

 short, decLimbent, yellow hairs ; humeral 

 cailus generally more or less brown. 

 Scutellum with the apical part yellow, 

 scutellar marginal bristles strong and 

 numerous. Pleura with white hairs. 

 Abdomen somewhat indefinitely dullish 

 on second and third segments, clothed 

 with short, depressed hairs which are 

 chiefly black, but whitish and erect just 

 at the front margin and the sides of 

 second and the basal corners of third 

 and fourth segments; they are long at 

 the basal side margin; the extreme apex 

 of abdomen brownish. Legs generally 

 paler than in the male, the dark rings 

 on the anterior tibiæ often weak; the 

 third and fourth joints of the middle 



and especially of the hind tarsi considerably broadened: hind femora 



beneath only setulose towards the apex. 

 Length 7,5 — 9,5 mm. 



C. scutellata 9- 

 Fig. (i6. Fig. 67. 



Middle tarsus. Hind tarsus. 



