ODYNERUS SPINIPES. 203 



The Male differs in having the elypeus yellow, the scntellura black, 

 immaculate, and the apex of the antennae fulvous beneath. 



A plentiful and generally distributed species. 



Div. 2. Oplopus, Wesm. — The antennce of the males with the 

 apical joints rolled spirally. The basal segment of the 

 abdomen dome-shaped, not having a suture or carina at 

 its base above, or a central imjjressed line. 



4. Odynerus spinipes. 

 O. macula inter antennas abdomineque fasciis quinque flavis. 



Vespa spinipes, Linn. Faun. Suee. p. 409. 1682 $ ; Syst. Nat. i. 950. 

 10 ; & Cab. Mus. Linn. Soc. 



Fabr. Syst. Ent. 368. 28 ; Ent. Syst. ii. 268. 55 ; Syst. Piez. 

 263. 54. 



Rossi, Faun. Etrus. ii. 86. 868. 



Panz. Faun. Germ. 17. 18. 

 Vespa muraria, Christ. Hym. 233. 

 Odynerus spinipes, Spin. Ins. Lig. i. 89. 3. 



Latr. Hist. Nat. Ins. xiii. 



Wesm. Mon. Odyn. Belg. 6. 2. 



Shuck. Loud. Mag. Nat. Hist, newser. i. 490. 1. 



St. Farg. Hym. ii. 608. 2. 



Sauss. Mon. Guepes Sol. 223. 131. 

 Odynerus raurarius, Latr. Hist. Nat. xiii. 

 Guepe solitaire, Reaum. Ins. vi. 251. pi. 26. f . 2 $ and nest. 



Female. Length 5 \ lines. — Black ; the head and thorax covered 

 with confluent punctures, and thinly clothed with black pubes- 

 cence ; the elypeus slightly notched, with the angles rounded ; 

 an abbreviated line at the inner orbit of the eyes, a transverse 

 one above the insertion of the antennae, a minute one behind 

 the eyes, and the extreme base of the scape in front, yellow. 

 The anterior margin of the prothorax, the exterior margin of 

 the tegulae, the tibiae, tarsi, and tips of the femora, yellow ; the 

 anterior and intermediate tibiae with a dark stain behind, and 

 the tarsi more or less fusco-ferruginous ; wings fulvo-hyaline, 

 with the anterior and apical margins clouded. Abdomen ovate, 

 smooth and shining, the apical margins of the segments with 

 narrow yellow fasciae. 



Male. — Rather smaller, with the elypeus deeply notched, and, 

 as well as the mandibles, labrum, and antennae beneath, yellow, 

 the apical joints of the latter spiral ; the legs usually yellower 



