1S65.] 113 



rounded or subtruncate. Winfjs : the anterior wiDe with one mar- 

 ginal and three subniarginal cells ; the niar^nal oblong and obtusely 

 Fig. 4. rounded at tip ; the first tubmarginal cell longer 



than the two following, the sec-ond triangular or sub- 

 ^ triangular, petiolated. and receiving the first recur- 

 rent nervure about the middle : the third moderate, obliquely sub- 

 quadrate, much narrowed towards the marginal and receiving the se- 

 cond recurrent nervure near it.«; base. i^''.7« stout, spinose. the poste- 

 rior tibiae more or less serrate, the anterior tarsi ciliated exteriorly. 

 Ahomm oblong, the first segment narrowed to one-half the width of 

 the following, and subLrlobose. the margins of the segments more or 

 less constricted ; the apical segment with its dorsal surface flattened, 

 bordered on either side by a sharp cari::.a. and a lateral oblique plane 

 also bordered by a carina. 



1. Cerceris fumipennis. Say. 



Cerceris /umipennis. Sav. Bost. Joum. Nat. Hist. i. p. 381. 



Cerceris cincta. Dahlb.. Hvm. Europ. i, p. 204 %, . 

 Black : three subquadrate spots on face, two spots on collar, postscutellom. 

 and broad band on second segment of abdomen, yellowish-white : wings black- 

 ish. 



Ftinalt. — Deep black, strongly punctured, clothed with a short pale 

 subsericeous pubescence, hoary on the thorax beneath, legs and abdo- 

 men ; head closely punctured, with a large subquadrate. pale yellowish 

 mark on each side of the face and a semicircular or subovate one on the 

 central lobe of the clypeus. sometimes much reduced, the lateral lobes 

 densely fringed with a pale ochraceous pubescence ; anterior margin 

 of the clvpeus truncate and cariuate. Thorax more deeply and less 

 closelv punctured than the head, sericeous, especially the pleura and 

 metathorax ; a transverse spot on each side of the collar, and the 

 postscutellum. pale yellowish ; metathoras abrupt and coarsely punc- 

 tured, the enclosed triangular basal space finely sculptured and some- 

 times shining; tegulae shining black, sometimes with a pale spot in 

 front. Wings dark fuliginous, black along the costa. with a deep vio- 

 laceous reflection ; nervures black. Legs black, sericeous and some- 

 what hoary: a line on the four anterior tibia? within, and most of the 

 posterior pair, yellowish-white : tips of anterior tarsi testaceous. Ab- 

 domen covered with a beautiful hoary sericeous pile, more obvious in 

 certain lights, and with deep punctures, rather sparse on the second 

 segment, and becoming closer on the apical segments ; first segment 

 small, subglobose. flattened at base, second segment convex, with a 

 broad, apical, pale yellow band, more or less attenuated in the middle 



