254 ENTOMOLOGICAL NEWS. 



Larger, between 7 and 9 niillirn. , face-marks yellow or 

 yellowish 2. 



"2. Late summer and autumn species, lateral face-marks 



only a spot 3. 



Vernal species, lateral face-marks triangular. Length 

 about 82 millilim.; pubescence dull white, long and 

 quite abundant, on abdomen thin but conspicuous, not 

 forming bands ; only two submarginal cells ; sixth ven- 

 tral abdominal segment with a projecting point on each 

 side ...... (Parandrena) andrenoldes Cress. 



3. Thorax with sparse, feeble punctures, its pubescence 



dirty white ; sixth ventral segment of abdomen 



normal aster is Bob. 



Thorax minutely tessellate, with very strong, quite numer- 

 ous punctures, its pubescence pale ferruginous ; sixth 

 ventral segment of abdomen with the apical margin 

 broadly reflexed. Length Srnillirn., black, thepubescence 

 pale ferruginous, or reddish-ochreous ; facial quadrangle 

 about square ; clypeus with strong, well-separated punc- 

 tures ; front very densely striate- punctate ; flagelluin, 

 except the first joint, dull ferruginous beneath ; clypeus 

 bright lemon-yellow, with two conspicuous black spots ; 

 lateral marks reduced to small round yellow spots ; pro- 

 cess of labrum broad, truncate, with a shallow emargi- 

 nation ; enclosure of metathorax granular, hardly de- 

 nned ; tegulae shining brown ; wings dusky, stigma and 

 nervures ferruginous ; tarsi dark, but inclined to fer- 

 ruginous ; abdomen rather shiny, more distinctly punc- 

 tate than usual in the group ; hind margins of the 

 second and following segments with pale ochreous hair- 

 bands cragini Ckll., u. sp. 



4. Clypeus only partly yellow ; autumnal species . . 5. 

 Clypeus light, except the usual dots ; vernal species 6. 



5. Sides of clypeus black, wings dusky at apex, first two 



abdominal segments with orange fulvous bauds. 



alicidrttm Ckll. 



Anterior margin of clypeus broadly black, wings clear. 



pulchella Eob. 



