Abstract
Species numbers, guild, and trophic structure of carrion arthropod communities were examined for 18 mammalian carcasses of varying mass in the northern Chihuahuan desert from May to September 1980. Community structure was described for five carcass weight classes using seven guilds and three trophic levels. Twenty-three carrion-associated species were collected from the carcasses. Large carcasses attracted more species and guilds than small ones. Biomass of necrophagous taxa was higher than predator biomass in all carcass sizes. Linear regression analyses revealed a significant positive relationship between arthropod species richness and carcass mass.
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