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The adults have a brown body with pale markings. The male has a short thorn-like spine in between the cerci on the 10th segment of the abdomen.<ref name="Robinson"/>{{rp|144}}
The adults have a brown body with pale markings. The male has a short thorn-like spine in between the cerci on the 10th segment of the abdomen.<ref name="Robinson"/>{{rp|144}}

It is found as far north as Canada, where it hides in the leaf axils of emerging plants in southern Ontario wetlands.


==Description==
==Description==

Revision as of 19:02, 28 November 2009

Doru aculeatum
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Family:
Genus:
Species:
D. aculeatum
Binomial name
Doru aculeatum
Scudder, 1876

Doru aculeatum, the Spine-tailed earwig is an insect in the family Forficulidae.[1]: 144  This earwig is found in the woods and grassy areas of eastern North America and occurs at outdoor lights at night.[2]: 55 

The adults have a brown body with pale markings. The male has a short thorn-like spine in between the cerci on the 10th segment of the abdomen.[1]: 144 

It is found as far north as Canada, where it hides in the leaf axils of emerging plants in southern Ontario wetlands.

Description

As given in W.S.Blatchley's Orthoptera of Northeastern America - with especial reference to the Faunas of Indiana and Florida (1920):[2]

Dark chesnut brown; palpi, legs, edges of pronotum and outer two-thirds of tegmina yellow. Pronotum longer than broad, narrower than head. Tegmina nearly twice as long as pronotum, truncate; inner wings usually aborted. Forceps of male, three-fourths as long as abdomen slender, curved, bent down ward a little at basal third, becoming again hor-izontal a little before the tip, a pointed tooth pre-sent at second bend; of female shorter than those of male, their legs nearly straight, the lower inner edges very finely crenulate and usually contiguous for most of their length, the tips incurved. Length of body, <J, 811, 9, 7.510; of tegmina, $ and 9, 2.53: of forceps, $ , 4.76, 9, 33.5; of Fig. 29. Dom acu- pygidial spine, $ , .8 1 mm.

References

  1. ^ a b Robinson, William H. (2005). Handbook of urban insects and arachnids. Cambridge, UK: Cambridge University Press. p. 480. ISBN 9780521812535.
  2. ^ a b Blatchley, W. S. (1920). Orthoptera of Northeastern America - with especial reference to the Faunas of Indiana and Florida. Indianapolis, U.S.A.: The Nature Publishing Company. p. 784. {{cite book}}: Cite has empty unknown parameter: |1= (help)

External resources