Creophilus

Leach, 1819

hairy rove beetle

Species Guides

1

Creophilus is a of large rove beetles (Staphylinidae) containing some of the largest in the , reaching up to 30 mm in length. The genus includes approximately 12 described species distributed globally, with C. maxillosus being the most widely studied due to its forensic significance. Species in this genus are strongly associated with carrion where they function as of fly larvae. The genus was revised in 2011, with two new species described and several synonymizations.

Creophilus maxillosus Kemner2 by Niels Kemner 1887 - 1948. Used under a Public domain license.Creophilus maxillosus larva Kemner by Niels Kemner 1887 - 1948. Used under a Public domain license.Creophilus maxillosus tip antennae rotated by Siga. Used under a CC BY-SA 4.0 license.

Pronunciation

How to pronounce Creophilus: //kriˈɒfɪləs//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Members of Creophilus are distinguished from other rove beetles by their large size (11–30 mm), among the largest in Staphylinidae. The most widely known , C. maxillosus, has distinctive yellowish-gray setae covering the body. Like all staphylinids, they possess shortened that leave most of the exposed. The combination of large size, carrion association, and setose body distinguishes them from smaller, less hairy rove beetles in related .

Images

Habitat

Strongly associated with carrion and decomposing animal remains. Found in diverse environments including cattle feedlots, poultry manure in caged-layer houses, meadow steppes, and urban areas where carrion occurs. show preference for well-warmed . Absent from heavily urbanized central areas due to anthropogenic pressure.

Distribution

Global distribution with records from North America (eastern Canada, United States, Vermont), South America (Peru), Europe, Asia (Iraq, China, Japan, Russian Federation including Altai Krai), and Oceania (New Zealand). The includes both widespread (C. maxillosus) and more restricted endemics (C. galapagensis, C. rekohuensis).

Diet

Predatory, primarily feeding on fly larvae (maggots) associated with carrion. Preys on filth flies and blow flies including such as Chrysomya rufifacies. have been observed feeding on decaying meat but are principally rather than necrophages.

Life Cycle

Development includes , larval, and pupal stages preceding . Instar determination has been studied for forensic applications. Preappearance interval varies with temperature and has been estimated for post-mortem interval calculations. Specific developmental rates and temperature thresholds have been investigated in forensic contexts.

Behavior

Strong fliers that quickly burrow out of sight when disturbed. Exhibits predatory toward fly larvae on carrion. Shows temporal activity patterns that may reduce with other carrion-associated staphylinids. Chemical defense mechanisms present. and larvae active on carrion during decomposition.

Ecological Role

of filth flies and blow flies in agricultural settings, contributing to in cattle feedlots and poultry operations. Important forensic for estimating post-mortem intervals based on timing and developmental stage. Functions as a carrion-associated predator that helps regulate fly during decomposition.

Human Relevance

Significant forensic importance for determining time of death based on presence and developmental stage on human corpses. Used in of pest flies in livestock operations. Occasionally causes urban . Subject of extensive research.

Similar Taxa

  • Emus hirtusOverlapping as large carrion-associated staphylinid; distinguished by preference for over carrion and reduced abundance in most
  • Philonthus politusShares carrion and predatory habits; much smaller (approximately 10 mm versus 11–30 mm) and less setose
  • NicrophorusShares carrion but belongs to Silphidae; distinguished by complete covering and burying

Tags

Sources and further reading