Parcoblatta caudelli

Hebard, 1917

Caudell's wood cockroach, Caudell's wood roach

Parcoblatta caudelli is a small, pale-colored wood to the eastern and central United States. Males exhibit distinctive clay- and brownish-yellow coloration with fully developed . The occupies forested and has been recorded from sawmill refuse. Females were historically described as capable of , though subsequent observations have questioned this trait.

Parcoblatta possible caudelli 3 by Happy1892. Used under a CC BY-SA 3.0 license.Parcoblatta uhleriana and Unidentified Parcoblatta ("possible caudelli) males NC by Happy1892. Used under a CC BY-SA 4.0 license.Parcoblatta uhleriana and unidentified ("possible caudelli") females by Happy1892. Used under a CC BY-SA 4.0 license.

Pronunciation

How to pronounce Parcoblatta caudelli: //ˌpɑːrkoʊˈblætə kɔːˈdɛlaɪ//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Distinguished from by combination of small size (smallest pale Parcoblatta), male color pattern (clay- and underside with brownish-yellow disc and abdominal ), and modified resembling P. lata. slightly wider than pronotum. Long, thin . Female capability historically cited as unique among U.S. Parcoblatta, but this character requires verification.

Images

Appearance

Male: Pale clay- , underside, and legs. Back of , disc, , and transverse facial bar are brownish-yellow. fully developed, slightly wider than pronotum. Long, thin . Smallest of the pale Parcoblatta . Abdomen modified in a manner similar to the much larger P. lata. Female: Fully winged (per original description), though capability remains disputed.

Habitat

Forested areas. Documented from old sawdust at former sawmill sites. Associated with decaying wood and woody debris.

Distribution

United States: Arkansas, District of Columbia, Indiana, Mississippi, North Carolina, Texas, Virginia, South Carolina. but not established in Ontario, Canada.

Behavior

habits inferred from association with wood found under boards and logs. One source reports females may be capable of , though this is disputed.

Ecological Role

in forest . for including Ampulex canaliculata (), which specifically targets Parcoblatta .

Human Relevance

in Ontario, Canada, but not established. No documented pest status. Encountered in forested and formerly industrial sites such as abandoned sawmills.

Similar Taxa

  • Parcoblatta lataShares modified structure; distinguished by much larger size and different coloration
  • Other Parcoblatta speciesP. caudelli is smallest of pale ; male color pattern and abdominal modification are diagnostic

Misconceptions

Female capability: originally described as unique among U.S. Parcoblatta, but a 2003 North Carolina study characterized females as flightless. This discrepancy remains unresolved.

More Details

Taxonomic History

Described by Hebard in 1917. Lawson (1967) noted female capability as unique among U.S. Parcoblatta; McKittrick (1964) and subsequent authors may have followed this. A 2003 study of North Carolina specimens did not confirm flight in females.

Predator Relationship

Documented of Ampulex canaliculata, a that paralyzes and caches Parcoblatta for larval development.

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Sources and further reading