Weiss and West — Fungous Insects and Their Hosts. 9 



Rhipidandrus paradoxus Beauv. Feeding on Pleurotus ostreatus, Mon- 

 mouth Jc, N. J., June 10. In Poly poms cuticularis, New Bruns- 

 wick, N. J., October 1. 



Family Scarabaeidae. 



Onthophagus hecate Panz. On Polyporus versicolor, Princeton Jc, N. J., 

 May 8. 



Geotrupes balyi Jek. On Polyporus berkleyi, Framingham, Mass., August 

 5 (Frost). 



Geotrupes horni Blanch. On ground beneath Lactarius sp., Framingham, 

 Mass., August (Frost). 



Family Tenebrionidae. 



Scotobates calcaratus Fab. On Pleurotus ostreatus, Cornwall, Conn., 

 June 27 (Chamberlain). 



Xylopinus saperdioides Oliv. On Pleurotus ostreatus, Cornwall, Conn., 

 June 27 (Chamberlain). 



Diaperis maculata Oliv. Feeding on Clitocybe maxima, Framingham, 

 Mass. (Frost) ; on Polyporus berkleyi, Framingham, Mass., 

 August 5 (Frost); on Pleurotus ostreatus, Cornwall, Conn., June 

 27 (Chamberlain); feeding in Polyporus albellus, Springfield, 

 N. J., July 10; on Polyporus tsugae, New Brunswick, N. J., 

 Sept. 24; feeding on Lentinus lepideus, Monmouth Jc, N. J., 

 July 7; breeds in Polyporus betulinus, Princeton Jc, N. J., 

 April 23, May 8. 



Hoplocephala bicornis Oliv. Feeds in Polyporus hirsutus, P. versicolor, 

 P. cinnabarinus and Lenzites betulina, Springfield, New Bruns- 

 wick, Husted, N. J., February, March, April, May, June. 



Hoplocephala viridipennis Fab. In Polyporus versicolor, Springfield, N. 

 J., March 13. 



Platydema subcostatum Lap. On Pleurotus ostreatus, Cornwall, Conn., 

 June 27 (Chamberlain). 



Platydema ellipticum Fab. Breeds in Polyporus gilvus, Springfield, N. J., 

 Sept. 12. 



Platydema ruficorne Sturm. In Polyporus dichrous, P. lucidus, Spring- 

 field, Plainfield, N. J., May. 



Boletotherus bifurcus Fab. On Pleurotus ostreatus, Cornwall, Conn., 

 June 27 (Chamberlain). Breeds in Fomes applanatus, Poly- 

 porus tsugae, Polyporus lucidus; feeding on Polyporus versicolor; 

 larvae during winter, adults during winter under bark. Plain- 

 field, Barnegat, Union, Springfield, New Brunswick, Monmouth 

 Jc, N. J., April, May, June, September, October. 



Helops micans Fab. On Pleurotus ostreatus, Cornwall, Conn., June 27 

 (Chamberlain). 



Family Melandryidae. 

 Penthe obliquata Fab. On Polyporus berkleyi, Framingham, Mass., 

 August 5 (Frost). On Polyporus versicolor, P. betulinus, Prince- 

 ton Jc, N. J., May 8, April 23. 



