Devil's Coach Hourse
( Ocypus olens )


2012-1102-38000000-COL00119-Ocypus_olens[1330h00s,P,A,dorsum]{EStrand}-G.jpg

PHOTO COMMENT

IDENTIFICATION
Identification:Ocypus olens
(O. Müller ,1764 )
Common Name:Devil's Coach Hourse
Life Stage:(A) adult

PHYLOGENY

Phylum:Arthropoda
Class:Insecta
Superorder:Holometabola
Order:Coleoptera
Suborder:Polyphaga
Family:Staphylinidae
Subfamily:Staphylininae
Tribe:Staphylinini
Genus:Ocypus
Taxon Code:COL00119

LOCATION DETAILS
Location Name
California State University San Francisco, California State University San Francisco, San Francisco
County:San Francisco County
ECI Site#:CA38000000

RECOGNITION
Description
Adults: Elongate and entirely jet black all over except for the distal ends of the tarsi and antennae which are dark brown. Elytra are shot covering only it thorax. Abdominal segments are exposed, scleritized and clearly segmented. Larvae: Elongate. Similar in appearance to larvae of the Raphidioptera. The head capsulre is highly scleritized and dark reddish brown. The pronotum is brown, growing lighter further from teh head. The abdomen is a gray-cream color. Its distal end bears a pair of long, fleshy protuberances.
Body Length
25-28 mm.
Diversity
This beetle is part of a very large family of beetles that is very diverse in form and lifestyle.
Colors
Color1: black

BIOLOGY
This black beetle usually shelters during the day under stones, logs or leaf litter. It is most often seen in forests, parks and gardens between April and October.
Food
They are formidable predators of invertebrates including slugs, snails and even immature Jerusalem Crickets.
Importance
This insect is well known for its threat display. With little provocation it will curl its abdomen over its back and open jaws to bite. This is similar to the behavior of many insects which feign stinging behavior. It does not sing, but can give a painful bite. It will exude a foul smelling defensive secretion, from a pair of white glands at the end of its abdomen.
Distribution
California has the earliest (1931) record for this insect in North America. It is adventive in the western United States from Arizona, west to California and north to Washington.
Diversity
This beetle is part of a very large family of beetles that is very diverse in form and lifestyle.
Importance
This insect is well known for its threat display. With little provocation it will curl its abdomen over its back and open jaws to bite. This is similar to the behavior of many insects which feign stinging behavior. It does not sing, but can give a painful bite. It will exude a foul smelling defensive secretion, from a pair of white glands at the end of its abdomen.

CREDITS
Photographer
Erica Strand

References
Species Ocypus olens - Devil's Coach Horse. (http://bugguide.net/node/view/131894). Accessed March 12, 2016. .
Devil's coach horse beetle (https://en.wikipedia.org/wiki/Devil%27s_coach_horse_beetle)


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