180 

 Notes on Halictidae (Hymeuoptera).* 



BY J. C. KBIDWELL. 

 NOTES AND EXHIBITIONS. 



Nesotocus cjiffavdi. — Mr. Bridwell exhibited a piece of 

 wood of the tree, Cheirodendron gaudichaudii, collected on the 

 Kaiimuahona Trail, showing the work of the larvae of this 

 strange Cnrculionid and its characteristic pupal cell in the 

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



Dolicliurus stmitoni. — Mr. Williams reported the finding of 

 this recently-introduced roach parasite on Lanihuli Ridge at 

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

 the flat behind Tantalus. 



Crabro tumidoventns. — Mr. Williams reported finding a 

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

 continued specimens of the Mediterranean fruit-fly, Ceratitis 

 capitata. 



Psyllidae. — Mr. Crawford offered some notes on Psyllids. 

 stating that he was monographing the Psyllidae of the South 

 Pacific, including the Hawaiian species. 



Samoan Insects. — Mr. Giffard exhibited anotber consign- 

 ment of insects from American Samoan, 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. iN"., and transmitted through Mr. Poyer, Governor of 

 American Samoa. The collection as a whole included 1659 

 specimens and approximately 26Y species, distributed l>y Or- 

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

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

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

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

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



* Withdrawn for publication elsewhere. — [Ed.] 



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



