1922] Synopsis of Panurgidce 163 



CALLIOPSIS 



Females. 



Clj^peus black, with a median stripe, 3 spots above; lateral face 

 marks subqiiadrate, not extending above antennw; spot 

 on tubercles; rarely a dot on tegulse; labrum dark; mp 

 and galea subeqiial; 6-8mm; polylege; May 30-Oct. 14, 



andrenilormis. 



Clypeus luteous, with two black stripes, 1 spot above; lateral 

 face marks pointed above antennae; tubercles black; dot 

 on tegulffi; mp shorter than galea; 7mm; olignlege of 

 Heliantheae and Asterea3; Aug. 20-Sept. 19, coloradensis. 



Males. 



Tubercles, legs, antennae except flagellum at base above, 

 yellow; tegulae usually dark; 5-6mm; May 30-Sept. 19 



andreniformis. 



Tubercles, coxae, trochanters, femora except tips, tibiae behind, 

 and apical joints of tarsi more or less, black; dot on tegulae; 

 line on scape in front; flagellum testaceous beneath; 6-7mm; 

 Aug.21 — Sept. 24, coloradensis. 



ANTE EMU RGINM. 



Females. 



Scopa plumose; glossa linear, acuminate; Ip 1 elongate, flat; 



mp not longer than galea; tegulae and front and middle 



knees testaceous, Pseudopanurgus. 



Scopa simple; mp longer than galea, 1 . 



1. Lp 4: l3/2> 1 flat; glossa lance-linear, acuminate; nearly 



bare, finely and densely punctured, opaque; middle spur 



sparsely pectinate, about as long as planta; tegulae and 



front and middle knees testaceous; 5-6mm; polylege; 



May 28 — Oct. 23; parvus in, Heteros£«rus. 



