479 



has shown a parasitization of about 90%. I have found it 

 attacking also the eggs of BnicJius pruininus, B. clilnensis, 

 and the Dolichos weevil and it will probably attack any of the 

 species depositing their eggs on the surface of pods and seeds 

 in the field. This species must be considered a most valuable 

 addition to the parasitic fauna of the Island, particularly since 

 it seems to be the only known egg parasite of Bvuchidae. 



Heterospilus prosopidis. 



In the same sweepings which contained the Bruclius pnii- 

 ninus were found individuals of an unfamiliar Braconid wdiich 

 Avas later bred from B. pruiiiinus. It w^as then recognized l)y 

 Mr. Fullaway as a species of Hcterospilu.^ introduced by him 

 in the work before referred to. In the Annual Eeport of the 

 Hawaii Agr. Expt. Sta. for 1910 he says, under the head of 

 algaroba weevil parasites, "At the beginning of the year ship- 

 ments of bean weevil parasites were received through the co- 

 operation of the Bureau of Entomology. ^ * ^'■" Later a search 

 was made to find if they had become established Init this could 

 not be demonstrated except in the case of the minute egg 

 parasite. * * * All attempts to breed the parasites in confine- 

 ment failed. * * * On advice only Heterospilus was released 

 and in all 2303 were liberated. * * * The parasites were mostly 

 liberated on the gi-ounds of the experiment station. One lot 

 of 250 specimens was released on the Alexander & Baldwin 

 plantation at Puunene, Maui, another lot of 200 on the Isen- 

 berg ranch at Waialae, Oahu, and another of 100 on the Molo- 

 kai ranch near Kaunakakai." 



This species was described in 1911 by Viereck (Proc. U. 

 S. Is Sit. Mus. 38:381) as Heterospilus prosopidis from Texas 

 and Louisiana and Cushman (Jonrn. Econ. Ent. 11:1:89-509) 

 records it as a parasite there of Bruchus prosopis bred from 

 Prosopis puhescens, Bruchus exiguus breeding in seeds of Amor- 

 plia fruticosa, Bruchus ochraceus breeding in the two-seeded 

 pods of a species of Vicia, Bruchus sallei breeding in pods of 

 Gleditsia triacanthos and Bruchus bisignatus bred from Acuan 



