Diploptera punctata

Diploptera punctata or the Pacific beetle cockroach is a species of cockroach in the family Blaberidae and subfamily Diplopterinae.[1] It is one of the few cockroach species that is viviparous. Adults are chemically defended, having a modified tracheal gland and spiracle on each side which squirts quinones which can poison or discourage a predator.[2]

Pacific beetle cockroach
Adult laboratory specimen
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Blattodea
Family:
Blaberidae
Subfamily:
Diplopterinae
Genus:
Diploptera
Species:
D. punctata
Binomial name
Diploptera punctata
(Eschscholtz, 1822)
Synonyms
  • Blatta dytiscoides Serville, 1838
  • Diploptera silpha Saussure, 1864

Distribution

Diploptera punctata can be found in Australia, Myanmar, China, Fiji, Hawaii, and India.

Milk

Diploptera punctata produces a nutritionally dense crystalline "milk"[3] to feed their live-born young.[4][5][6][7]

References
  1. George Beccaloni; David C. Eades. "Diploptera punctata". Blattodea Species File. Retrieved 10 June 2011.
  2. Roth, Louis M.; Stay, Barbara (1958-01-01). "The occurrence of para-quinones in some arthropods, with emphasis on the quinone-secreting tracheal glands of Diploptera punctata (Blattaria)". Journal of Insect Physiology. 1 (4): 305–318. doi:10.1016/0022-1910(58)90049-0.
  3. Williford, Anna; Stay, Barbara; Bhattacharya, Debashish (2004-03-01). "Evolution of a novel function: nutritive milk in the viviparous cockroach, Diploptera punctata". Evolution & Development. 6 (2): 67–77. doi:10.1111/j.1525-142X.2004.04012.x. ISSN 1525-142X. PMID 15009119.
  4. Banerjee, Sanchari; Coussens, Nathan; Gallat, François-Xavier; et al. (July 2016). "Structure of a heterogeneous, glycosylated, lipid-bound, in vivo-grown protein crystal at atomic resolution from the viviparous cockroach Diploptera punctata". IUCrJ. 3 (4): 282–293. doi:10.1107/S2052252516008903. PMC 4937783. PMID 27437115.
  5. Kumar, Chethan (2016-07-19). "Pesky cockroaches give scientists some high-protein food for thought". Times of India. Retrieved 31 July 2016.
  6. Guarino, Ben (2016-07-26). "The case for cockroach milk: The next superfood?". Washington Post. Retrieved 31 July 2016.
  7. https://askentomologists.com/2016/07/31/cockroach-milk-is-not-the-next-superfood/


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