| Parcoblatta bolliana | |
|---|---|
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| Adult male P. bolliana | |
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| Adult female Parcoblatta bolliana | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Blattodea |
| Family: | Ectobiidae |
| Genus: | Parcoblatta |
| Species: | P. bolliana |
| Binomial name | |
| Parcoblatta bolliana (Saussure & Zehntner, 1893) | |
| Synonyms | |
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Parcoblatta bolliana, Boll's wood cockroach or Boll's wood roach, is a small species of wood cockroach native to the United States, measuring around 11 mm (0.43 in) long.
Description
Parcoblatta bolliana is a small, slender species. The male has long tegmina (outer forewings) and functioning hindwings, while the female tegmina are small oblong pads separated by more than twice their width, and its inner hindwings are absent. The female is stouter and more compact than the male, with a broader head and pronotum (the large plate directly behind the head).
The male has a shining, dark brown head, pronotum disc, and base of tegmina, with fine and sparse yellowish hairs. It has paler brown legs, edges of the sides of its pronotum, and ends of its tegmina. Its ocelli (simple eyes) are well defined and colored a dull yellow. Its pronotum has two oblique impressions near its base, connected by a short transverse impression.
The female is chocolate brown, and its legs are generally darker than those of the male. Its ocelli are small spots, and its pronotum is widest just behind its middle.
Specimens become much paler in the western part of its range, sometimes with only the head being dark.
| Male | Female | |
|---|---|---|
| Body length | 10.1–12.8 mm (0.40–0.50 in) | 9.0–10.7 mm (0.35–0.42 in) |
| Pronotum length | 2.7–3.0 mm (0.11–0.12 in) | 2.9–3.0 mm (0.11–0.12 in) |
| Pronotum width | 3.6–4.2 mm (0.14–0.17 in) | 3.9–4.4 mm (0.15–0.17 in) |
| Tegmina length | 11.7–13.6 mm (0.46–0.54 in) | 1.7–1.9 mm (0.067–0.075 in) |
| Tegmina width | 3.8–4.6 mm (0.15–0.18 in) | 1.4–1.7 mm (0.055–0.067 in) |
Distribution
The distribution of the species is limited to the United States, including Alabama, Georgia, Illinois, Iowa, Kansas, Louisiana, Missouri, Nebraska, North Carolina, Oklahoma, South Carolina, and Texas.
Habitat
The species has been found under pine straw in pine woods in North Carolina, under dry cow dung in pine woods in Texas, beneath a pile of old boards in Nebraska, and extensively in grassland areas of Kansas, both in tall prairie grass as well as shorter grass.
Tiny nymphs of the species, apparently first instar, have consistently been found living in the nests of the ant species Cremastogastor lineloata in Kansas. The ant often lives in the soil beneath large rocks. Adults of the cockroach species have not been found in the nests, but the young nymphs are raised among C. lineolata workers without apparent harm.
Additional Images
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A young nymph
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Nymphs of P. bolliana. Possibly some in this photo are Parcoblatta uhleriana.
References
- ^ "Synonyms of Boll's wood cockroach (Parcoblatta bolliana)". Encyclopedia of Life. Retrieved 2014-03-24.
- "Common names for Boll's wood cockroach (Parcoblatta bolliana)". Encyclopedia of Life. Retrieved 2014-03-24.
- ^ Blatchley, Willis Stanley (1920). Orthoptera of northeastern America: with especial reference to the faunas of Indiana and Florida. The Nature Publishing Company. pp. 78–79, 83–84.
- Atkinson, Thomas H.; Koehler, Philip G.; Patterson, Richard S. (1990). "Annotated checklist of cockroaches of Florida (Dictyoptera: Blattaria: Blattidae, Polyphagidae, Blattellidae, Blaberidae)" (PDF). Florida Entomologist. 73 (2): 315–316. doi:10.2307/3494816. JSTOR 3494816.
- Roth, Louis M.; Willis, Edwin R. (1960). "Biotic associations of cockroaches". Smithsonian Miscellaneous Collections. 141. Washington, D.C.: The Smithsonian Institution: 49.
- ^ Lawson, Fred A. (1967). "Ecological and collecting notes on eight species of Parcoblatta (Orthoptera: Blattidae) and certain other cockroaches". Journal of the Kansas Entomological Society. 40 (3): 267–269. JSTOR 25083633.
| Taxon identifiers | |
|---|---|
| Parcoblatta bolliana | |
| Ischnoptera bolliana | |
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