THE MOUNT DESERT REGION 173 



Aphodius Illiger 



Working over cow pastures will take these. The pastures 

 should be gone over monthly for some of the species are 

 seasonal. 



A. fossor (Linn.) (13107). Bar Harbor, June 11; Eden fly- 

 ing, June 30. 



A. hamatus Say. (13109). Mt. Desert (S. Henshaw). 



A. erraticus (Linn.) (13110). Town Hill late August to 

 frost. 



A. haemorrhoidalis (13111). Same as above. 



A. fimetarius (Linn.) (13119). Occurs generally on horse 

 and cow dung. Common. An introduced species. 



A. granarius (Linn.) (13131). Occurs on fungi and dung. 

 Bar Harbor (Moore). Scarce. 



A. ruricola Melsh. (13127). Town Hill late August to frost. 



A. surterraneus (Linn.) (21175). Taken under horse dung, 

 Witches Hole, June 2 ; in a Japanese beetle trap, baited 

 with geranol, Penikese, June 12. A European species. 



Dialytes Harold 



D. striatulus (Say) (13239). Same habits as Aphodius. 

 Taken in meat trap in deep woods, Breakneck Drive, Aug. 

 31 ; Bar Harbor, July 14. Corfield on fungi. 



Geotrupes Latreillo 



G. ralyi Jek. (13290). These appear about Aug. 1 and are 

 widely distributed wherever there are toadstools. They 

 live in the underground portion of the stems and travel 

 extensively about Sept. 1. 



G. egeriei Germ. (13294). Also frequents fungi. S. AV. Har- 

 bor, Sept. 5 (Alexander). Scarce. 



G. splendidus (Fab.) (13299). Frequents fungi and said to 

 feed on carrion. X. E. Harbor, Aug. 23 (Minot) ; Sec. 19 

 flying, Sept. 13. Rare. 



