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works its way to the open air and flies to the trees to prepare for 

 another brood of parasites by laying its eggs in the weevils punc- 

 tures. 



The parasite has a wasp-like apperaance but if caught in 

 the hand it will not sting although it gives off a very offensive 

 odor. About 25 per cent of the larvae of the larger chestnut wee- 

 vil are parasitized by this species and, apparently, a considera- 

 bly smaller per cent of these of the other species of Balaninus. 



It seems probable that the habits of plastening over their 

 egg-punctures and of hiding their eggs in the side branches of 

 the main galleries, which are practiced by some of the acorn 

 weevils, are devises for outwitting this parasite. 



A smaller bracon parasite, known as Sigalphus curculionis 

 Fitch, was reared in abundance from the larvae of the hickory- 

 nut curculio and in lesser numbers from those of the walnut 

 curculio. 



A number of small, brown ants, Lasius aliena Fors., were 

 found that had broken into the earthy cell of a larva of the larger 

 chestnut weevil and were devouring the insect. Another species 

 of ant somewhat larger than the one mentioned first and known 

 as Aphaenogaster aquia Buck., was found with a number of part- 

 ly eaten Balaninus larvae stored in its nest under a stone in the 

 woods. Still another species, a small, red ant, Solenopsia de- 

 bilis Mayr., was found attacking larvae of the walnut curculio 

 within young black walnuts on the ground. 



Several specimens of two parasitic flies, about the size of 

 the common housefly, were bred from the nut enemies. One of 

 these, Metadexia basalis G.-T., was bred from the larva of the 

 hickorynut curculio and the other, Myophasia aenea Wied., 

 was reared from white oak acorns infested with the larvae of 

 B. pardalus and C. naso. From which species the fly came, 

 was not determined. 



The larva of an undetermined click-beetle was found feed- 

 ing on a larva of one of the nut weevils, and on another occa- 

 sion a nymph of the spined soldier-bug. Podisus maculiventris, 



