154 POMPILIDJL 



Four or five of the apical joints of the flagellum fuscous; the 

 anterior margin of the clypeus rounded ; a black stripe running 

 from each antenna up to the ocelli. The anterior wings with a 

 fuscous cloud at the lower margin of the second submarginal 

 cell, the apical margins fuscous at the tip; the posterior wings 

 have a pale fuscous apical border ; one or two of the apical joints 

 of the tarsi of the intermediate and posterior legs fuscous. The 

 apical margins of the segments of the abdomen narrowly black, also 

 the extreme base of the abdomen black ; the fasciae on the second, 

 third, and fourth segments produced into an angular shape in the 

 middle. 



Hab. Peru. 



45. Pompilus inauratus. 



Female. Length 6| lines. — Black, with thin cinereous pile on the 

 legs and abdomen ; the head and thorax adorned with bright pale 

 golden pilose spots. The face with a pale golden spot on each 

 side above the antennae ; the anterior margin of the clypeus 

 silvery ; behind the eyes pale golden. The pro thorax golden 

 anteriorly, its hinder margin broadly yellowish white ; the meso- 

 thorax with the posterior margin golden before the scutellum, 

 the apex of the latter, and a band between the posterior wings en- 

 closing the postscutellum, and also the metathorax laterally, golden ; 

 an oblique golden spot beneath the wings, which are dark fuscous. 



Hab. Cordova (Argentine Confederation). 



46. Pompilus representans. 



Female. Length 7-9 lines. — Black, with dark brown wings, the 

 abdomen with large ferruginous spots. The front of the head 

 below the antennae with short white pubescence ; down the middle 

 of the clypeus it is fuscous ; the anterior margin of the clypeus 

 emarginate. The hind margin of the prothorax angular; the 

 metathorax rounded, and with a central longitudinal channel ; the 

 third submarginal cell nearly as long as the second, and greatly 

 narrowed towards the marginal. The first, second, and third seg- 

 ments of the abdomen with a large ferruginous macula at their 

 basal margins, lunate, and more than half the width of the seg- 

 ments ; two smaller spots on the fourth segment ; the spots on the 

 basal segment united. 



Hab. Uruguay. 



This species has the appearance of being a gigantic race of Pom- 

 pilus fiiscus of Europe, with black wings. 



47. Pompilus unicolor. 



Female. Length 5^ lines. — Black, smooth, and slightly shining, 



