16 ARKIV FÖR ZOOLOGI. BAND 13. N:0 6. 



and postnotum light gray with a conspicuous brownish black 

 median line; femora with the tips broadly dark brown and 

 with a conspicuous subterminal yellow ring; wings subhya- 

 line with a very heavy brown pattern that is transversly 

 subtesselated, the costal and subcostal cells, the base of the 

 wing and along vein Cu strongly yellowish; abdomen yellow, 

 trivittate with dark brown. 



Female. — Length about 20 mm.; wing 18,8 mm. 



Frontal prolongation of the head brownish gray; palpi 

 dark brown. Antennae with the first segment brown, spar- 

 sely gray pruinose; second segment dull brownish yellow; 

 flagellum dark brown, the base of the first segment a little 

 brighter. Head reddish gray with a broad dark brown me- 

 dian stripe that continues onto the vertical tubercle. 



Mesonotal praescutum dark gray with four indistinct 

 brown stripes, the two intermediate stripes long, with the 

 sides nearly parallel, separated from one another by a gray 

 line of nearly equal width; lateral stripes broader; remain- 

 der of the mesonotum gray, the scutellum and postnotum 

 light gray with a broad dark brownish black median line 

 that is broadest on the postnotum. Pleura dark gray. Hal- 

 teres dark brown, the base of the stem more orange, the 

 tips of the knobs paler. Legs with the coxae dark gray; 

 trochanters brownish yellow tipped with black on the inner 

 faces; femora brownish yellow, the tips broadly dark brown 

 and with a subequal subterminal yellow ring; tibiae brow- 

 nish yellow, the tips narrowly brown; tarsi light brown. 

 Wings subhyaline with a heavy brown pattern that is some- 

 what transversely tesselated; cells G and Se, the space im- 

 mediately before the arculus and the area between vein Cu 

 and the abortive anal vein immediately behind it light yel- 

 low; cell Se with four dark brown markings, all except the 

 last of wich are continued caudal across cells E and M to 

 the cubital vein and thense beyond to the wing-margin as 

 paler brown zigzag areas in the cubital and anal cells; 

 stigma dark brown with a yellowish mark in cell Se imme- 

 diately above it; a brown spöt at the end of vein i?g, con- 

 tinued backward to vein JR4+5; tip and base of cell E3 dar- 

 kened; cell R5 clear with the base and a faint cloud near 

 midlength darkened; cells Mi, 2nd M2, M4 and Cui have 

 their middle portions darkened and with a rounded sub- 



