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Euoniticellus intermedius (Coleoptera: Scarabaeidae: Scarabaeinae: Tribe Coprini): Its Presence and Relative Abundance in Cattle Pastures in Northcentral Florida

Florida Entomologist
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128 Florida Entomologist 91(1) March 2008 EUONITICELLUS INTERMEDIUS (COLEOPTERA: SCARABAEIDAE: SCARABAEINAE: TRIBE COPRINI): ITS PRESENCE AND RELATIVE ABUNDANCE IN CATTLE PASTURES IN NORTHCENTRAL FLORIDA L OIS A. W OOD AND P HILLIP E. K AUFMAN Entomology and Nematology Department, University of Florida, Gainesville, FL 32611-0620 USA Several species of dung beetles have been in- troduced into pasture habitats around the world to improve the efficiency at which manure is pro- cessed (Fincher 1986). Benefits of this tactic in- clude reducing survival of dung-breeding pest flies and gastrointestinal parasites of livestock, returning nutrients to the soil, and physically moving manure off the fouled forage (Anderson et al. 1984). Efforts to monitor populations and track the spread of introduced beetles have varied with spe- cies and localities. The Afro-Asian dung beetle, Onthophagous gazella F. (Family Scarabaeidae, Subfamily Scarabaeinae, Tribe Onthophagini) was introduced into several states (TX, CA, AR, GA, and MS) of the continental United States in the 1970s (Fincher 1981). Subsequent surveys re- corded its presence and spread (Fincher et al. 1983; Hunter & Fincher 1985; Howden & Scholtz 1986; Fincher et al. 1986; Howden & Howden 2001). Currently, it is found in every state across the southern U.S. and up the east coast as far north as North Carolina. It also occurs through- out most of Mexico and into northern Guatemala (Rivera-Cervantes & Garcia-Real 1991; Montes de Oca & Halffter 1998; Bertone et al. 2005). Another less-studied introduced dung beetle is the Afro-Tropical species, Euoniticellus interme- dius (Reiche) (Family Scarabaeidae, Subfamily Scarabaeinae, Tribe Coprini) (Fig. 1). It was re- leased in California, probably in 1978, in Texas in 1979, and in Georgia in 1984 (Fincher 1981, 1986; Montes de Oca & Halffter 1998). Its establish- ment in Tex

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