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Diploptera punctata

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Species of cockroach

Diploptera punctata
Adult in Molokai, Hawaii
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Blattodea
Family: Blaberidae
Genus: Diploptera
Species: D. punctata
Binomial name
Diploptera punctata
(Eschscholtz, 1822)
Synonyms
  • Blatta dytiscoides Serville, 1838
  • Diploptera silpha Saussure, 1864

Diploptera punctata, the Pacific beetle cockroach, is a species of cockroach in the family Blaberidae and subfamily Diplopterinae. 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.

Life stages

Diploptera punctata has 4 nymph stages, which are wingless. The adult is winged, and the adult male is smaller than the female.

Distribution

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

Milk

Diploptera punctata produces a nutritionally dense crystalline "milk" to feed their live-born young.

The milk produced by Diploptera punctata is composed of hydrosoluble proteins and provides essential amino acids to the developing embryo such as lysine, leucine and valine.

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. Marchal, Elisabeth; Hult, Ekaterina F.; Huang, Juan; Stay, Barbara; Tobe, Stephen S. (2013-07-01). "Diploptera punctata as a model for studying the endocrinology of arthropod reproduction and development". General and Comparative Endocrinology. 26th Conference of European Comparative Endocrinologists (CECE). 188: 85–93. doi:10.1016/j.ygcen.2013.04.018. ISSN 0016-6480. PMID 23644152.
  4. 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. S2CID 31048064.
  5. 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.
  6. Kumar, Chethan (2016-07-19). "Pesky cockroaches give scientists some high-protein food for thought". Times of India. Retrieved 31 July 2016.
  7. Guarino, Ben (2016-07-26). "The case for cockroach milk: The next superfood?". Washington Post. Retrieved 31 July 2016.
  8. "Cockroach milk is not the next superfood. It could be a lot more important than that". 31 July 2016.
  9. Ayayee, Paul A.; Keeney, George; Sabree, Zakee L.; Muñoz-Garcia, Agustí (2017-06-01). "Compositional differences among female-associated and embryo-associated microbiota of the viviparous Pacific Beetle cockroach, Diploptera punctata". FEMS Microbiology Ecology. 93 (6). doi:10.1093/femsec/fix052. ISSN 1574-6941. PMID 28431082.
Taxon identifiers
Diploptera punctata
Blatta punctata


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