2. NOMADA. ll5 



In small examples of the female the stripes on the thorax are 

 sometiTes quite obliterated, and the scuteUum has only two minute 

 ed sis toe yellow markings on the abdomen also become more 

 or le s obsolete 1 The species is parasitic on **^*W^™ 

 his not to my knowledge been found in company with any. other 

 tec" A large colony of the Andrem formerly existed near High- 

 gate Archway, whe?e the Xomada was very abundant. 



5. Nomada bridginaniana. 



.- " UIU L u — - "" r^L^fligine antico, maj?, 1 '-^ js antenuisque fat- 

 A. atra; labio, clvpef qpjrrecr, it cena^iy c^! --m -'"-ft 8 " «bdo- 

 rugineis ; scut ell o punctis duobus tegulisque ternig^^ , .. ,j. 

 mine ferrugineo, maculis duabus ro^undatis fiavis notato. Mdw> 

 clypei margino antico, labio mandibulisque fiavis : abdomine fer- 

 rugineo, flavo fasciatu. 



Female. Length 3|-4 lines. — Black; the mandibles, labrum, ante- 

 rior margin of the clypeus, and the flagellum ferruginous ; two 

 black spots on the clypeus and Lhree or four of the basal joints of 

 the flagellum black, or fuscous above. Thorax, the tubercles bright 

 yellow ; two ferruginous ovate spots on the scuteUum ; wings 

 subhyaline, the nervures futco-ferruginous, the tegulae light ferru- 

 ginous : the anterior legs with the apex of the femora, the tibice, 

 and tarsi ferruginous, the tilrae with a black stain behind ; the 

 intermediate and posterior legs with the extreme apex of the 

 femora, the base and apex of the tih'ae, and the tarsi ferruginous; 

 the basal joint of the posterior pair black. Abdomen, the base 

 black and a narrow black line at the apical margin of the first 

 segment, and a transverse narrow fuscous fascia a little before the 

 apical margin of the three following segments ; an ovate yellow 

 spot on each side of the second segment. BAI. 



Var. |8. A. more or less distinct double lunate yellow spot in the 

 middle of the fifth segment. 



Var. y. A very minute yellow spot on each side of the third seg- 

 ment. 



Yar. ?. The spots on the scuteUum yellowish. 



Male. Length 4 lines. — Black ; the flageUum ferruginous and more 

 or less black or fuscous above ; the face anteriorly margined with 

 yeUow, from which a narrow yellow line runs up to the margin of 

 the eyes as high as the insertion of the antenna; ; the labrum and 

 mandibles yellow. Thorax with a thin hoary pubescence ; the 

 posterior margin of the tubercles yellow, as well as the outer mar- 

 gin of the tegulae : the anterior legs of a reddish yellow in front, 

 aU the tarsi more or less ferruginous, their basal joint stained 

 more or less black above. Abdomen ferruginous, with the baso 

 black ; a narrow yellow interrupted band on the first segment in 

 the middle ; the two foUowing have broader bands at their basal 

 margins, the first and sometimes the second also interrupted in the 

 middle, towards which they are slightly attenuated ; the three 

 following segments have narrow yeUow bands. B.M. 



i2 



