HYMENOPTERA FROM LOWER CALIFORNIA, III 



Odynerus anormis Sa}'. San Esteban, April {Haines^ . 

 Two specimens. I refer doubtfully to this species an- 

 other specimen from the same locality, which differs by 

 the shallower punctation of the thorax. 



Odynerus {Ancistroccrns) lacunus n. sp. 



V . — Cl3'peus strongly punctured, bicarinated anter- 

 iorly, and but slight!}' notched or incurved, nearly trun- 

 cate, the teeth small; a strong keel between the antenna?; 

 front with great punctures, those on the vertex more 

 separated; between the hind ocelli are two elongate, 

 widely separated, tubercles ; thorax with great punctures ; 

 antero-lateral angles of prothorax sharp ; postscutellum 

 not crested; metathoracic excavation indistinctly stri- 

 ated, the upper part of metathorax coarsely punctured; 

 abdomen strongly punctured, but much less so than the 

 head and thorax, the punctures on first segment strongest 

 and the transverse sulcus deep and wide, margins of the 

 segments not reflexed ; first segment nearl}- as wide as 

 the second. Black; base of clypeus (sometimes broken 

 into two spots), spot above the antenna; and in the eye- 

 emargination, line on posterior orbits, scape beneath, two 

 large spots on prothorax anteriorly, margin of tegulge, 

 spot beneath them, spot on dorsulum at apex, postscutel- 

 lum, spot on each side of metathorax, apex of fore and 

 medial femora, line on the tibias, apical margin of dorsal 

 segments, i, 2 and 4 and ventral segment 2, elongate 

 mark on each side of first dorsal segment and a small dot 

 on each side near the base of the second, all pale yellow; 

 wings subhyaline, fuscous in the marginal cell, nervures 

 black. Length, 9 mm. 



^ . — Clypeus entirely, inner orbits as far as eye-emar- 

 gination, greater part of tibice, tarsi except last two or 

 three joints, pale yellow; no yellow on metathorax; flag- 

 ellum beneath testaceous, though not always: otherwise- 

 as in ? . Length, 7-9 mm. 



