180 

 Notes on Halictidae (Hymenoptera).* 



BY J. C. EBIDWELL. 

 XOTES AXD EXHIBITIONS, 



Nesotocus ' gijfardi. — Mr. Bridwell exhibited a piece of 

 wood of the tree, Cheirodendron gaudichaudii, collected on the 

 Kamnuahona Trail, showing the work of the larvae of this 

 strange Cnrciilionid and its characteristic pupal cell in the 

 wood, and also gave some of the insect's habits. 



DoViclivrus stantoni. — Mr, Williams reported tie finding of 

 this recently-introduced roach parasite on Lanihnli Ridge at 

 2000 feet elevation, and stated that he had also observed it on 

 the flat behind Tantalus. 



Crabro tumidoventris. — Mr. Williams reported finding a 

 nest of this wasp on Sngar-Loaf Hill back of Honolulu which 

 contmued specimens of the Mediterranean fruit-lly, Ceratitis 

 capitaia. 



Psi/llidae. — Mr. Crawford ofi^ered some notes on Psyllids. 

 stating that he was monographing the Psyllidae of the South 

 Pacific, including the Hawaiian species. 



Samoan Insects. — Mr. GifFard exhibited another consigni- 

 ment of insects from American Samoa\ this being the third 

 lot received during the past few months. These insects were 

 collected at the instance of Mr. Giffard by Dr. H. C, Kellers, 

 U. S. ]S^., and transmitted through ]\Ir. Poyer, Governor of 

 American Samoa- The collection as a whole included 1650 

 specimens and approximately 267 species, distributed by Or- 

 ders as follows: Hymenoptera, 99 speciments, 25 species; 

 Diptera, 56 specimens, 22 species; Lepidoptera, 149 speci- 

 mens, 42 species ; Coleoptera, 409 specimens, 83 r-pecies ; Ho- 

 moptera, 645 specimens, 38 species; Heteroptera, 186 speci- 

 mens, 29 species; Orthoptera, 93 specimens, 20 species; Odo- 



Withdrawn for publication elsewliere. — [Ed.] 



Proc. Haw. Ent. See, IV, No. i, June, 1919. 



