678 



ME. r. SMITH ON NEW SPECIES OF ACULEATE 



of the face with bright golden- coloured pubescence ; the scape of 

 the anteuna3 in front, and the basal half of the mandibles above, 

 yellow ; the cheeks with changeable silvery pile. Thorax — a mi- 

 nute spot on the collar laterally, the tubercles, and the postscu- 

 tellum yellow ; the wings hyaline, the nervures black ; the meta- 

 thorax with a central longitudinal channel, and a few short carinse 

 at its extreme base, and without the usual enclosed semicircular 

 space at its base. Abdomen smooth and shining, the three or four 

 apical segments with thin short white pubescence ; the apical 

 segment with the margins raised, shining, and with a few strong 

 punctures. 



Hah. Coasts of Maui. 



Taken on flowers on sandy coasts. {T. B.) 



Crabeo denticoenis, n. sp. Male. Leugth 3-4 lines. Black ; 

 the head and thorax slightly shining, the abdomen smooth and 

 shiniug. Head — the ocelli in a curve on the vertex ; the fifth 

 joint of the flagellum produced beneath into a tooth or tubercle ; 

 the clypeus with bright silvery pubescence; the mandibles biden- 

 tate at the apex, and having a large acute tooth on their inner 

 margin. Thorax — the postscutellum yellow and subinterrupted 

 in the middle ; the scutellum slightly bituberculate ; the meta- 

 thorax with a central longitudinal channel, slightly impressed at 

 the base and deeply so towards the apex ; wings fusco-hyaline, 

 palest at their base. Abdomen smooth, shining, and impunctate ; 

 occasionally the second segment has a small yellow spot laterally. 



Hah. Sandy coasts of Maui. 



This may possibly be the male of C. iridipennis ; but the silvery 

 clypeus and dark wings obliged me to hesitate about uniting them. 



Ceabeo unicoloe, Smith, Cat. Hym. Ins. pt. iv. p. 421. $ . 

 Hah. Honolulu. 



Tam. EijMENiDiE. 

 Group o/'Odynerus ])V2iiQi[\^\B,Saus sura's American Wasps,^. 292. 



ODTNEErs LocALis, u. sp. Female. Length 7 lines. Head 

 and thorax not strongly but very closely punctured ; the clypeus 

 convex, strongly punctured and truncate at the apex. Thorax — 

 the puncturing of the mesothorax is a mixture of large and small 

 ones ; the postscutellum with strong punctures and crenulated ; 

 the metathorax rugose and truncate ; wings dark shining reddish 

 brown. Abdomen shining, truncate at the base, but not sharply 

 ridged ; the first and second segment with very fine distant punc- 

 tures, the puncturiug being strongest and closest at the base of 



