''Doru'' is a genus of
earwigs
Earwigs make up the insect order Dermaptera. With about 2,000 species in 12 families, they are one of the smaller insect orders. Earwigs have characteristic cerci, a pair of forceps-like pincers on their abdomen, and membranous wings folde ...
in the family
Forficulidae
Forficulidae is a family of earwigs in the order Dermaptera. There are more than 70 genera and more than 500 described species in Forficulidae.
Species in this family include ''Forficula auricularia'' (the European earwig or common earwig) and ' ...
.
Description
''Doru'' can be recognised by having yellow
elytra
An elytron (; ; : elytra, ) is a modified, hardened forewing of beetles (Coleoptera), though a few of the true bugs (Hemiptera) such as the family Schizopteridae are extremely similar; in true bugs, the forewings are called hemelytra (sometime ...
with a black suture.
According to the original description by Malcom Burr, the third and fourth
antennal segments are subequal. The elytra are not carinate. The
abdomen
The abdomen (colloquially called the gut, belly, tummy, midriff, tucky, or stomach) is the front part of the torso between the thorax (chest) and pelvis in humans and in other vertebrates. The area occupied by the abdomen is called the abdominal ...
is subparallel and depressed in shape. The anal segment of the abdomen is transverse, depressed and not sloping. The pygidium is spinous or sharp. In males, the arms of the forceps are slender, removed from the base and not expanded.
Ecology
In North America, these earwigs can be found on
grasses
Poaceae ( ), also called Gramineae ( ), is a large and nearly ubiquitous family of monocotyledonous flowering plants commonly known as grasses. It includes the cereal grasses, bamboos, the grasses of natural grassland and species cultivated in ...
and
sedges
The Cyperaceae () are a family of graminoid (grass-like), monocotyledonous flowering plants known as sedges. The family is large; botanists have described some 5,500 known species in about 90 generathe largest being the "true sedges" (genu ...
, usually near water.
Species
These 16 species belong to the genus ''Doru'':
* ''
Doru aculeatum''
(Scudder, 1876) i c g b (spine-tailed earwig)
* ''
Doru albipes''
(Fabricius, 1787) c g
* ''
Doru beybienkoi''
Steinmann, 1979 c g
* ''
Doru cincinnatoi''
Machado, 1967 c g
* ''
Doru davisi''
Rehn and Hebard, 1914 i c g
* ''
Doru dohrni''
Steinmann, 1979 c g
* ''
Doru gracilis''
(Burmeister, 1838) c g
* ''
Doru leucopteryx''
Burr, 1912 c g
* ''
Doru lineare''
(Eschscholtz, 1822) i c g
* ''
Doru luteipes''
(Scudder, 1876) c g
* ''
Doru platensis''
Borelli, 1912 c g
* ''
Doru robustum''
Brindle, 1971 c g
* ''
Doru spiculiferum''
(Kirby, WF, 1891) c g
* ''
Doru taeniatum''
(Dohrn, 1862) i c g b (lined earwig)
* ''
Doru turbator''
Steinmann, 1979 c g
* ''
Doru unicolor''
Brindle, 1971 c g
Data sources: i = ITIS,[ c = Catalogue of Life,][ g = GBIF,][ b = Bugguide.net]
Gallery
File:Doru aculeatum.jpg, '' Doru aculeatum''
File:Earwigs (10.3897-zookeys.713.15118) Figures 36–45.jpg, Various earwigs; 43 is '' Doru luteipes'', 44 is spermatheca
The spermatheca (pronounced : spermathecae ), also called ''receptaculum seminis'' (: ''receptacula seminis''), is an organ of the female reproductive tract in insects, e.g. ants, bees, some molluscs, Oligochaeta worms and certain other in ...
of ''D. luteipes'', 45 is spermatheca of '' D. lineare''
File:Doru taeniatum (Forficulidae).jpg, ''D. taeniatum'' on foliage
File:Doru taeniatum (Forficulidae) 072022.jpg, ''D. taeniatum'' on foliage
References
{{Taxonbar, from=Q5299025
Forficulidae
Dermaptera genera