Japanese cockroach
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Blattodea
Family: Blattidae
Genus: Periplaneta
Species:
P. japonica
Binomial name
Periplaneta japonica
Karny, 1908

The Japanese cockroach (Periplaneta japonica), also known as the Yamato cockroach,[1] is a cockroach native to Japan, adapted to cooler northern climates.[2][3][4] It has a flexible univoltine or semivoltine (one- or two-year) lifecycle, depending on the timing of its hatching, and is unusual in being able to spend two winters as diapause nymphs before reaching maturity.[3]

Description

Initial first-instar nymphs are dark brown, with white or brownish white tips of the maxillary and labial palps. Adults measure 25–35 millimetres (2+1⁄2–3+1⁄2 cm) in length, and have a shiny, uniformly black to blackish-brown body, with brown tarsi and maxillary and labial palps. The adult male's wings extend slightly beyond the body's length, while the female's wings are around half the body's length.[5]

Unlike most cockroaches, the major hydrocarbon in P. japonica’s cuticular lipids is cis-9-nonacosene.[6] Males have significant amounts of cis-9-heptacosene not found on females, as do P. australasiae and P. fuliginosa males and females.[6] Glucose, myo-inositol, scyllo-inositol and trehalose were found in overwintering nymphs and are thought to be a factor in their freeze tolerance.[7]

Freeze tolerance

Nymphs have been observed in the wild hibernating in subfreezing temperatures during winter in snow-covered habitats.[8] Overwintering nymphs were able to survive laboratory supercooling experiments in the −5 to −8 °C (23 to 18 °F) temperature range, enduring 12 hours of tissue freezing,[7] as well as recover from burial in ice.[1] The ability to walk on ice was also found to be unique among several cockroach species tested.[1]

Habitat

Primarily an outdoors species, populations are adaptable to living indoors in houses and buildings where food is stored, prepared, or served.[5][9]

Defense

A P. japonica nymph alone or in sparse populations accumulates a viscous secretion along its rear dorsal surface, droplets of which it can be splashed some distance toward a threat through a shaking action. The presence of an aggressive species of ant, Formica exsecta, triggered this defensive response, rendering the ants helpless.[10]

Presence as an introduced species

Originally from Japan, P. japonica has spread to China, Korea and far eastern Russia, though it is considered a common pest primarily in central and northern Japan.[4][5][9][11]

The species was found in New York City in 2013 by Evangelista et al.,[12]: 581 [13]: 40 [14] the first time the species was found in the United States.[15] It was found by an exterminator beneath plantings in High Line, a Manhattan park, and was able to survive over a cold winter.[16] Scientists who confirmed the identity of the species through genetic testing theorize that it may have been imported in the soil of ornamental plants used in the park.[15] This identification demonstrates the use of DNA barcoding for urban pest control.[12][13]

References

  1. 1 2 3 Tanaka, S (May 2002). "Temperature acclimation in overwintering nymphs of a cockroach, Periplaneta japonica: walking on ice". Journal of Insect Physiology. 48 (5): 571–583. doi:10.1016/s0022-1910(02)00077-x. PMID 12770085.
  2. ↑ Encyclopedia of Life. "Japanese Cockroach - Periplaneta japonica". Retrieved 9 December 2013.
  3. 1 2 Tanaka, Seiji; Uemura, Yoshinobu (August 1996). "Flexible Life Cycle of a Cockroach Periplaneta japonica with Nymphal Diapause". Journal of Orthoptera Research. Orthopterists’ Society (5): 213–219. doi:10.2307/3503596. JSTOR 3503596.
  4. 1 2 Forman, Rob (9 December 2013). "Cockroach Never Seen Before in U.S. Is Identified in New York". Rutgers Today. Retrieved 9 December 2013.
  5. 1 2 3 Robinson, William H. (14 April 2005). Urban Insects and Arachnids: A Handbook of Urban Entomology. Cambridge University Press. p. 56. ISBN 978-0-521-81253-5. Retrieved 9 December 2013.
  6. 1 2 Morris Rockstein (2 December 2012). The Physiology of Insecta. Elsevier Science. p. 236. ISBN 978-0-323-16157-2. Retrieved 9 December 2013.
  7. 1 2 Tanaka, Kazuhiro; Tanaka, Seiji (October 1997). "Winter Survival and Freeze Tolerance in a Northern Cockroach, Periplaneta japonica (Blattidae : Dictyoptera)". Zoological Science. The Zoological Society of Japan. 14 (5): 849–853. doi:10.2108/zsj.14.849. ISSN 0289-0003. Retrieved 9 December 2013.
  8. ↑ Yuichiro, Tabaru; Atsushi, Kobayashi (1971). "Outdoor hibernation of Periplaneta japonica (Blattaria: Blattidae) in snowy area" (PDF). Japanese Journal of Sanitary Zoology (in Japanese and English). 22 (2): 76–77. Retrieved 9 December 2013.
  9. 1 2 Resh, Vincent H.; Cardé, Ring T. (22 July 2009). Encyclopedia of Insects. Academic Press. p. 110. ISBN 978-0-08-092090-0. Retrieved 9 December 2013.
  10. ↑ Ichinose, T; Zennyoji, K (1980). "Defensive behavior of the cockroaches, Periplaneta fuliginosa Serville and P. japonica Karny (Orthoptera: Blattidae) in relation to their viscous secretion". Applied Entomology and Zoology. 15 (4): 400–408. doi:10.1303/aez.15.400. ISSN 0003-6862. Retrieved 9 December 2013.
  11. ↑ "Catalogue of Life – 19th November 2013: Species details". Catalogue of Life. Retrieved 9 December 2013.
  12. 1 2 Foottit, R.; Adler, Peter H. (2017). Insect Biodiversity : Science and Society (2 ed.). Hoboken, NJ, USA. pp. xxxi+867. ISBN 978-1-118-94556-8. OCLC 972640368.{{cite book}}: CS1 maint: location missing publisher (link) ISBN 978-1-78064-537-7. ISBN 9781118945537.
  13. 1 2 Dhang, Partho (2016). Climate Change Impacts on Urban Pests. CABI Climate Change Series – Climate and Weather Series. Vol. 10. Boston, MA, USA. pp. ix+189. ISBN 978-1-78064-538-4. OCLC 950084506.{{cite book}}: CS1 maint: location missing publisher (link) ISBN 9781780645377.
  14. ↑ Evangelista, Dominic; Buss, Lyle; Ware, Jessica L. (1 December 2013). "Using DNA Barcodes to Confirm the Presence of a New Invasive Cockroach Pest in New York City". Journal of Economic Entomology. Entomological Society of America (OUP). 106 (6): 2275–2279. doi:10.1603/ec13402. ISSN 0022-0493. PMID 24498724.
  15. 1 2 "Cockroach that can endure cold moves into NYC". USA Today. 9 December 2013. Retrieved 9 December 2013.
  16. ↑ Frishman, Austin M.; Bello, Paul J. (October 2013). The Cockroach Combat Manual II. Author House. p. 8. ISBN 978-1-4918-2064-3. Retrieved 9 December 2013.
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