NORTH AMERICAN HYMENOPTEEA. 133 



united, somewhat curved and truncate apically ; fore tarsi a little flattened, hind 

 tarsi broader than in the 9 1 second ventral abdominal segment rather finely and 

 closely punctured ; pygidium truncate at apex. Wings a little darker than in the 

 9 . Length 6 mm. 



Texas. Very distinct from the European E. brevis. 



AlVACRABRO Pack. 



Anncrabro Packard. Proc. Ent. Soc. Phila. vi, p. 67; Cresson, Synopsis Hym. pt. 1, 



p. 122. 

 Crabro (in pt.) Kohl. Zool. Jahrb. (Abth. f. Syst., etc ), iii, p. 555. 



Eyes naked ; mandibles entire externally, unarmed at apex. An- 

 tennae (9^ 12- (S ) 13-jointed; episternum mesopleuralis sharply 

 ridged anteriorly, the epimerum with a strong, central ridge extend- 

 ing from near the tegulte to the central suture of the mesosternum ; 

 second discoidal cell long, narrow, much longer than the first and 

 acuminate at tip; sculpture coarse. Abdomen depressed, subcon- 

 cave beneath, the last dorsal segment in both sexes with a well-de- 

 veloped pygidium, the first segment not impressed, but possessing 

 two v<ery strongly diverging keels. 



Anacrabro ocellatiis Pack. 



Aniicrubro oceUafns Pack., Proc. Ent. Soc. Phila. vi, p. 68. 9 • 



9. — Head trajisverse. with strong, scattered punctures; frontal impression 

 remarkably strong; posterior orbits channeled, and the cheeks with a long keel ; 

 dorsulum and mesopleurije with strong, separated punctures, those on scutellum 

 larger and sparser ; middle segment above with strong fovese formed by coarse 

 rugfe, posterior face coarsely rugose apically, with a strong triangular depression 

 on basal middle, lateral ridges strongly developed, sides with rather strong, close 

 punctures, on basal portion, however, somewhat striated ; femora broad, the an- 

 terior pair flatter than the others; tibia; strongly spiuose ; abdomen, dorsally, 

 with strong, separated punctures, ventrally impunctate; pygidium large, pointed 

 at tip, very coarsely punctured, sides a little rounded. Black, including scajie 

 and mandibles, except a rufo-piceous spot in middle; no yellow on pronotum : 

 tubercles, line on metanotum, tips of all the femora, tibise and tarsi, except a dark 

 spot on the former internally, and a large spot, sharply truncate externally and 

 more or less pointed within, on dorsal abdominal segments 1-5, yellow; abdomen 

 testaceous ventrally. Wings on basal half subhyaline, apically fuscous, or the 

 fuscous forms a broad apical margin ; pubescence of clypeus and front silvery. 

 Length 6 — 7.5 mm. 



% . — Similar to the 9 . except that the pygidium is shorter, broader, and broadly 

 truncate at apex, .and is not as distinctly defined ; the markings are precisely as 

 in the other sex. Length 6 mm. 



Massachusetts, New Jersey, Illinois, West Point, Neb. (Barber). 



TRANS. AM. ENT. SOC. XXII. MAY. 1895. 



