Polyphaga saussurei
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Blattodea
Family: Corydiidae
Genus: Polyphaga
Species:
P. saussurei
Binomial name
Polyphaga saussurei
(Dohrn, 1888)[1]

Polyphaga saussurei is a cockroach species distributed throughout Central (except Kyrgyzstan) and South Asia and the northeastern Caucasus.[2][3] It is found in terrestrial habitats,[4] and mainly lives in dry conditions. It can serve as a domestic pest in its natural habitat, although this is not incredibly common.[5]

Based on genetic analysis of specimens in West Azerbaijan, Iran, it has been suggested that Polyphaga aegyptiaca and P. saussurei may actually be one species, despite the noticeable morphological differences.[6]

Morphology and life cycle

P. saussurei exhibits sexual dimorphism. Females are larger than males, ranging from 35 to 44 mm long at adulthood, while males range from 32 to 37 mm. Similar to other members of the genus, males have wings, while females are wingless. Both sexes may produce an unpleasant odor when disturbed.[5]

Adults will begin mating 10–14 days after the final molt, after which there is a gestation period of approximately 60 days. Nymphs take as few as 121 days under ideal conditions to mature, or up to 18 months at less than ideal conditions (the primary factor being temperature). After maturity, adults may live for an additional 2.5 years.[5]

References

  1. ↑ Dohrn, H. (1888). "Heterogamia saussurei". Entomologische Zeitung. Entomologischer Verein zu Stettin: 131.
  2. ↑ Bisby F.A.; Roskov Y.R.; Orrell T.M.; Nicolson D.; Paglinawan L.E.; Bailly N.; Kirk P.M.; Bourgoin T.; Baillargeon G.; Ouvrard D. (September 24, 2012). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK.
  3. ↑ "Species Polyphaga saussurei". Cockroach Species File.
  4. ↑ "Polyphaga saussurei". Global Biodiversity Information Facility.
  5. 1 2 3 Robinson, W.H. (2005). Urban Insects and Arachnids: A Handbook of Urban Entomology. Cambridge University Press. pp. 58–59.
  6. ↑ Farmani, M.; Basseri, H.; Norouzi, B.; Gholizadeh, S. (January 23, 2019). "Ribosomal DNA internal transcribed spacer 2 sequence analysis and phylogenetic comparison of seven cockroach species in northwestern Iran". BMC Research Notes. 12 (1): 53. doi:10.1186/s13104-019-4089-3. PMC 6343322. PMID 30674355.


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