Heternc/t/na and Fossorial Hi/menoptera. 271 



(:>) 3. Band of the 2nd segment of the abdomen much 



wider til an tliat of the 1st laticinctus. 



(1) 4. Basal segment of abdomen constricted at the apex, 



its sides much rounded . . . . . . • • bicinctus. 



1, quadnfdseiattts, Fahr. Syst. Piez. p. 298. Fig. 

 Curt." Brit. Eiit. xi. 524 {Uhiniturins). (PL VIIL 

 lig. 81)). 



Black ; clypeus of the <? widely yellow at the base, 

 labrum with two yellow spots ; clypeus of the ? with 

 three pale spots, sometimes miited, labrmn unspotted, a 

 spot on the margin of each eye, and the scape of the 

 antenna in front, yellow in both sexes, the basal joints of 

 the flagellum rufescent in the ? ; prothorax with a yellow 

 basal line ; wings with the nervures pale brown, slightly 

 tinged with brown, and having a brown cloud across the 

 radial and 2nd and 3rd submarginal cells ; scutellum 

 with a pale apical line in the S ; abdomen in both sexes 

 with four yellow bands, the 2nd band not wider than the 

 basal one ; femora with the apices pale ; ? with the tibise 

 and tarsi entirely testaceous ; <? tibiae testaceous in front, 

 posteriorly black, except at the base ; tarsi testaceous, 

 posterior "pair fuscous towards the apex ; head more or 

 less hairy on the vertex, very finely punctured ; meso- 

 thorax exceedingly finely punctured ; metathorax with its 

 basal area irregularly and longitudinally rugose, outside 

 the basal area somewhat ciathrate ; abdomen shining, very 

 finely punctured, basal segment not constricted at the 

 apex ; tibise with pale spines. 



Length 11—12 mill. 



jfj^,^._In woody places ; generally distributed. 



2. laticinctns, St. Farg. Ann. Ent. Fr. i. p. 66. Fig. 

 St. Farg. Hym. pi. xxv. fig. 6. 



Very like the preceding, but rather larger ; the antennae 

 in the <? rather longer, the clypeus in the ? entirely 

 yellow, the sides of the face with a broad yellow spot, 

 and the antenna beneath pale almost to the apex ; basal 

 area of the metathorax ciathrate in both sexes, and the 

 2nd abdominal band much wider than the basal one, 

 occupying not quite the whole apical half of the 

 segment •'tibiie in the ? posteriorly, black near the apex. 



Length 12—13 mill. 



/r^;/>.— Rare ; New Forest. 



