HYMENOPTERA 69 



(76) Odynenis pterocheiloides, sp. no v. 



Niger, alls infuscatis, caeruleo-iridescentibus, fronte ^ flavo-notata, mandibulis 

 rufis. Caput cum mesonoto ^ opacum, % vi\ nitidum ; mesonotum <^ minus dense, 

 ? sparsim subtiliter punctatum. Propodeum puncturatione fere obsoleta subrugosum. 

 Abdominis segmentum secundum baud elevatum, subtus depressione fere obsoleta. 

 ? palpi labiales pilis longis utrinque ciliati. Long. </ 5 — 7 '5, ? 9 mm. 



Black, the wings infuscate, and with blue iridescence, the cT with a median 

 flavous spot behind the antennae. 



Head and mesothorax dull in the d", and hardly shining in the ?. Mesothorax 

 finely, feebly, and sparsely punctured in the %, rather more largely and closely in 

 the d", but very shallowly. Minute puncturation between these punctures distinct. 

 Propodeum somewhat rugose, with nearly obsolete punctures. Abdomen with the 

 second segment convex but not raised from the base ; beneath, with the depression 

 nearly obsolete. Labial palpi of the ? extremely long, and beautifully ciliated with 

 long hairs. Mandibles more or less red or reddish. 



Hab. Kona district of Hawaii (4000 ft.). Hawaii (loc. ?), Blackburn. Mr 

 Blackburn has sent over a ? of this species, as representing his O. hawaiiensis, but 

 it does not at all agree with his description of that species. 



kn) Odyneriis congrinis. 



Odynerus congruus, Smith, J. Linn. Soc. xiv. p. 680. Blackburn and Cameron, 

 P. Manch. Soc. xxv. p. 155. 



Praecedenti forma et magnitudine similis, capite et mesonoto magis nitidis et 

 laevioribus distinguendus. c/?. Long. 6 — 10 mm. (Plate \. fig. 30.) 



Very closely allied to the preceding, but easily distinguished by the more shining 

 surface of the front of the head and the mesothorax. In the ? the second ventral 

 segment has no depression beyond the costae, and behind the antennae there is a 

 median flavous spot as in the i. 



Hab. Molokai, Lanai, and Maui, on the coast, and in the mountains, up to an 

 elevation of 3000 ft., but not in the forest. This and the closely allied preceding 

 species are, as far as the ? is concerned, very different to any other Hawaiian 

 species. The type of the ^ has four yellow spots on the clypeus, which is abnormal, 

 the clypeus usually being entirely black. It is remarkable that the extraordinary 

 appearance of the palpi has been passed over unnoticed. The locality 'Honolulu' 

 is given in Lit. and Phil. Soc. Manch. Vol. xxv. (1885-86), p. 155, but this is no 

 doubt an error, as in Ent. Mo. Mag. Vol. xvii. p. 87, the species is said to have 

 been taken with Prosopis blackburni, an insect peculiar to Maui, and 1 have myself 

 taken them together on that island. 



