Weiss and West — Fungous Insects and Their Hosts. 7 



Hister interruptus Beauv. On Pleurotus ostreatus, Cornwall, Conn., June 



27 (Chamberlain). 

 Hister cognatus Lee. On Polyporns berkleyi, Framingham, Mass., August 



5 (Frost). 

 Hister lecontei Mars. On Polyporns dichrous, Polyporns versicolor, 



Springfield, N. J., May 13, April 10; in Polyporns albellus, Union, 



N. J., Sept. 12; in Polyporns hirsutus, Monmouth Jc, N. J., 



April 29. 



Family Nitidulidae. 



Colastus truncatus Rand. In Polyporns graveolens, Monmouth Jc., N. 

 J., April 9. 



Epuraea ovata Horn. Feeding on Lactarius sp., Monmouth Jc, N. J., 

 July 12; on Poly poms cuticularis, New Brunswick, N. J., Octo- 

 ber 1. 



Nitidula bipunctata Linn. On Pleurotus ostreatus, Cornwall, Conn., June 

 27 (Chamberlain). 



Stelidota octomaculata Say. In Polyporns chinoeus, Springfield, N. J., 

 Sept. 12. 



Phenolia grossa Fab. On Polyporns versicolor, Swedesboro, N. J., June 

 30; breeding in Polyporns sulphureus, Springfield, N. J., Sept. 

 12; on Pleurotus ostreatus, Cornwall, Conn., June 27 (Cham- 

 berlain). On Polyporus berkleyi, Framingham, Mass., August 

 5 (Frost). 



Omosita colon Linn. On Polyporus berkleyi, Framingham, Mass., August 

 5 (Frost). 



Pallodes pallidus Beauv. Feeding on Russula sp., Lakehurst, N. J., 

 July 17; feeding on Collybia platyphylla, Monmouth Jc, N. J., 

 June 17. 



Ips quadriguttatus Oliv. On Polyporus betulinus, Oradell, N. J., April 

 23; on Pleurotus ostreatus, Cornwall, Conn., June 27 (Cham- 

 berlain). In Polyporus cuticularis, New Brunswick, N. J., Oct. 1. 



Family Trogositidae. 



Thymalus fulgidus Er. Breeds in Polyporus betulinus, Daedalia con- 

 fragosa, Morristown, Oradell, High Bridge, Monmouth Jc, N. J. 



Tenebrioides corticalis Melsh. On Polyporus versicolor, Union, N. J., 

 May 8, June 27; in Polyporus betulinus and Polyporus gilvus, 

 Princeton Jc, May 8, Sept. 12, N. J. 



Family Ptinidae. 



Eucrada humeralis Mels. Bred from Polyporus gilvus, Monmouth Jc, 

 N. J., March 26. 



Hemiptychus nigritulus Lee In Fomes applanatus breeding in this fun- 

 gus, Monmouth Jc, N. J., May 30, adults, pupae, larvae. 



Caenocara oculata Say. On Scleroderma vulgare, Lakehurst, N. J., July 17. 



Dorcatoma dresdensis Hbst. Reared from Fomes fomentarius in Wis- 

 consin (Proc Ent. Soc Wash., X, 1908, p. 61). 



