Snaileater
( Scaphinotus sp. )


2011-0322-EB070000-COL00863-Scaphinotus_sp[1636h32s,L,A,earth]{MDame}-G.jpg

PHOTO COMMENT

IDENTIFICATION
Identification:Scaphinotus sp.
(Dejean, 1826)
Common Name:Snaileater
Life Stage:(A) adult

PHYLOGENY

Phylum:Arthropoda
Class:Insecta
Superorder:Holometabola
Order:Coleoptera
Suborder:Adephaga
Family:Carabidae
Subfamily:Carabinae
Tribe:Cychrini
Genus:Scaphinotus
Taxon Code:COL00863
ITIS TSN#:109430

LOCATION DETAILS
Location
Briones Regional Park, EBRPD, Briones Regional Park, 2537 Reliez Valley Rd., Martinez
County:Contra Costa County
ECI Site#:CAEB070000
Park/Forest:Briones Regional Park, EBRPD

RECOGNITION
Medium to large beetles with long, slender mandibles. Pronotum rather flared.
Body Length
13-33 mm, most 20-25 mm.
Colors
Shiny black all over, except for the distal segments of the antennae, which may be brown.

BIOLOGY
Nocturnal. Eggs typically laid under debris late spring/early summer. Overwinters as a larva, pupates in spring. May also overwinter as adult
Food
These beetles are predators of our native snails. They have long heads and mandibles that can reach the meat deep inside a snail’s shell. They are common beneath organic debris in wooded areas.
Habitat
Mostly forests, under logs, rocks, in leaf litter
Active Period
June-September
Range
Restricted to North America.

HABITAT
Mostly forests, under logs, rocks, in leaf litter

CREDITS
Photographer
Mike Dame

REFERENCES
  • Genus Scaphinotus. (bugguide.net/node/view/8408). Accessed July 15, 2016. [ IMAGES ]
  • Integrated Taxonomic Information System TSN#109430


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