Doru aculeatum

Doru aculeatum
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Dermaptera
Family:	Forficulidae
Genus:	Doru
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 the only native species of earwig in the north of the United States and 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.

gollark: ```File Formats csv — CSV File Reading and Writing configparser — Configuration file parser netrc — netrc file processing xdrlib — Encode and decode XDR data plistlib — Generate and parse Mac OS X .plist files```More random stuff which probably nobody ever needs.

gollark: ```Data Compression and Archiving zlib — Compression compatible with gzip gzip — Support for gzip files```(not whole section)

gollark: Two different things for globby pattern matching, stupid amounts of different things for paths.

gollark: ```File and Directory Access pathlib — Object-oriented filesystem paths os.path — Common pathname manipulations fileinput — Iterate over lines from multiple input streams stat — Interpreting stat() results filecmp — File and Directory Comparisons tempfile — Generate temporary files and directories glob — Unix style pathname pattern expansion fnmatch — Unix filename pattern matching linecache — Random access to text lines shutil — High-level file operations macpath — Mac OS 9 path manipulation functions```The standard library being weird.

gollark: We have `let`/`const` now.

References

Robinson, William H. (2005). Handbook of urban insects and arachnids. Cambridge, UK: Cambridge University Press. p. 480. ISBN 978-0-521-81253-5.
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. pp. 784.

External resources

Image of male Doru aculeatum showing the median spine on bugguide.net.

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[Robinson-1] Robinson, William H. (2005). Handbook of urban insects and arachnids. Cambridge, UK: Cambridge University Press. p. 480. ISBN 978-0-521-81253-5.

[Blatchley-2] 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. pp. 784.