Cydnidae

Macroscytus brunneus, copyright Petri Metsälä.


Belongs within: Pentatomoidea.

The Cydnidae, burrowing bugs, are a group of shiny black or brown bugs characterised by a large triangular scutellum, numerous strong spines on the tibiae, and fringes of closely set, rigid setae on the apices of the mid and hind coxae. They burrow in soil where they feed on roots, stems or fallen seeds (Carver et al. 1991).

<==Cydnidae
    |--Scaptocorinae SDT88
    |--Thaumastella RD77 [Thaumastellidae, Thaumastellinae SP02]
    |    `--T. aradoides RD77
    |--Garsauria [Garsauriinae] SDT88
    |    `--G. aradoides SDT88
    |--Sehirus H01 [Sehirinae SS02]
    |    |--S. bicolor H01
    |    |--S. dubius [incl. S. dubius var. melanopterus] H01
    |    |--S. luctuosus H01
    |    |--S. morio H01
    |    `--S. parens H01
    |--Amnestinae [Clavicorinae, Latiscutellidae, Pricecoridae] SP02
    |    |--Clavicoris cretaceus Popov 1986 RJ93
    |    |--Latiscutella santosi RJ93
    |    |--Pricecoris beckerae RJ93
    |    `--Amnestus SDT88
    |         |--A. guapinolinus Thomas 1988 P92
    |         `--A. spinifrons SDT88
    `--Cydninae SS02
         |  i. s.: Adrisa numeensis (Montr. 1858) CGW91, D14 [=Geobia numeensis D14]
         |         Teabooma Distant 1914 D14
         |           `--*T. princeps Distant 1914 D14
         |         Cydnus H01
         |           |--C. flavicornis H01
         |           `--C. nigrita H01
         |         Mentisa Walker 1868 D01
         |           `--M. smaragdina Walker 1868 D01
         `--Geotomini L99
              |--Geotomus pygmaeus WEE70, K08
              `--Macroscytus Fieber 1860 [incl. Hahnia Ellenrieder 1862 non Koch 1841, Philapodemus Kirkaldy 1910] L99
                   |--*M. brunneus (Fabricius 1803) [=Cydnus brunneus] L99
                   |--M. abditus L99
                   |--M. annulipes L99
                   |--M. annulipoides Lis 1999 L99
                   |--M. arnhemicus Lis 1999 L99
                   |--M. australis (Erichson 1842) (see below for synonymy) L99
                   |--M. australoides Lis 1999 L99
                   |--M. badius L99
                   |--M. bisetosus Lis 1999 L99
                   |--M. glaberrimus Lis 1999 L99
                   |--M. howei Lis 1997 L99
                   |--M. javanus L99
                   |--M. minimus Lis 1999 L99
                   |--M. monteithi Lis 1999 L99
                   |--M. papuanus L99
                   |--M. piceus (Westwood 1837) (see below for synonymy) L99
                   |--M. pseudaustralis Lis 1999 L99
                   |--M. subaeneus H01
                   `--M. transversus L99

Cydnidae incertae sedis:
  Chilocoris L02
    |--C. neozealandicus Larivière & Froeschner 1994 L02
    `--C. similis G17
  Microporus obliquus C90
  Melanaethus noctivagus C90
  Aethus indicus WL09, CGW91
  Moonta Distant 1911 G76
  Blaena MC13
  Pangaeus SDT88
  Brachypelta aterrima RD77
  Cyrtomenus E66

Macroscytus australis (Erichson 1842) [=Cydnus australis, Hahnia australis, Macroscytus australicus (l. c.)] L99

Macroscytus piceus (Westwood 1837) [=Cydnus piceus; incl. C. dilatatus Signoret 1881, Macroscytus dilatatus] L99

*Type species of generic name indicated

REFERENCES

[CGW91] Carver, M., G. F. Gross & T. E. Woodward. 1991. Hemiptera (bugs, leafhoppers, cicadas, aphids, scale insects etc.) In: CSIRO. The Insects of Australia: A textbook for students and research workers vol. 1 pp. 429–509. Melbourne University Press: Carlton (Victoria).

[C90] Crawford, C. S. 1990. Scorpiones, Solifugae, and associated desert taxa. In: Dindal, D. L. (ed.) Soil Biology Guide pp. 421–475. John Wiley & Sones: New York.

[D01] Distant, W. L. 1901. Rhynchotal notes.—VIII. Heteroptera: fam. Coreidae. Annals and Magazine of Natural History, series 7, 7: 6–22.

[D14] Distant, W. L. 1914. Rhynchota from New Caledonia and the surrounding islands. In: Sarasin, F., & J. Roux (eds) Nova Caledonia: Forschungen in Neu-Caledonian und auf den Loyalty-Inseln. A. Zoologie vol. 1 pt 4 pp. 369–390, pls 11–12. C. W. Kreidels Verlag: Wiesbaden.

[E66] Evans, H. E. 1966. The Comparative Ethology and Evolution of the Sand Wasps. Harvard University Press: Cambridge (Massachusetts).

[G17] Girault, A. A. 1917. Descriptiones hymenopterorum chalcidoidicarum variorum cum observationibus. V. Privately published (reprinted: Gordh, G., A. S. Menke, E. C. Dahms & J. C. Hall. 1979. The privately printed papers of A. A. Girault. Memoirs of the American Entomological Institute 28: 116–131).

[G76] Gross, G. F. 1976. Plant-feeding and Other Bugs (Hemiptera) of South Australia. Heteroptera—Part II. Handbook of the Flora and Fauna of South Australia.

[H01] Horváth, G. 1901. Hemipterák [Hemiptera]. In: Horváth, G. (ed.) Zichy Jenő Gróf Harmadik Ázsiai Utazása [Dritte Asiatische Forschungsreise des Grafen Eugen Zichy] vol. 2. Zichy Jenő Gróf Harmadik Ázsiai Utazásának Állattani Eredményei [Zoologische Ergebnisse der Dritten Asiatischen Forschungsreise des Grafen Eugen Zichy] pp. 245–274. Victor Hornyánszky: Budapest, and Karl W. Hierseman: Leipzig.

[K08] Kirkaldy, G. W. 1908. A catalogue of the Hemiptera of Fiji. Proceedings of the Linnean Society of New South Wales 33: 345–391, pl. 4.

[L02] Larivière, M.-C. 2002. Primary types of Heteroptera in the New Zealand Arthropod Collection: Pentatomomorpha described from New Zealand before the year 2000. New Zealand Entomologist 25: 79–85.

[L99] Lis, J. A. 1999. A revision of Australian species of the genus Macroscytus Fieber (Hemiptera: Heteroptera: Cydnidae). Entomologica Scandinavica 29: 459–479.

[MC13] Majer, J. D., S. K. Callan, K. Edwards, N. R. Gunawardene & C. K. Taylor. 2013. Baseline survey of the terrestrial invertebrate fauna of Barrow Island. Records of the Western Australian Museum Supplement 83: 13–112.

[P92] Poinar, G. O., Jr. 1992. Life in Amber. Stanford University Press: Stanford.

[RD77] Richards, O. W., & R. G. Davies. 1977. Imms' General Textbook of Entomology 10th ed. vol. 2. Classification and Biology. Chapman and Hall: London.

[RJ93] Ross, A. J., & E. A. Jarzembowski. 1993. Arthropoda (Hexapoda; Insecta). In: Benton, M. J. (ed.) The Fossil Record 2 pp. 363–426. Chapman & Hall: London.

[SDT88] Schaefer, C. W., W. R. Dolling & S. Tachikawa. 1988. The shieldbug genus Parastrachia and its position within the Pentatomoidea (Insecta: Hemiptera). Zoological Journal of the Linnean Society 93: 283–311.

[SP02] Shcherbakov, D. E., & Yu. A. Popov. 2002. Superorder Cimicidea Laicharting, 1781: Order Hemiptera Linné, 1758. The bugs, cicadas, plantlice, scale insects, etc. [=Cimicida Laicharting, 1781, =Homoptera Leach, 1815 + Heteroptera Latreille, 1810). In: Rasnitsyn, A. P., & D. L. J. Quicke (eds) History of Insects pp. 143–157. Kluwer Academic Publishers: Dordrecht.

[SS02] Sweet, M. H., & C. W. Schaefer. 2002. Parastrachiinae (Hemiptera: Cydnidae) raised to family level. Annals of the Entomological Society of America 95: 441–448.

[WL09] Walter, D. E., E. E. Lindquist, I. M. Smith, D. R. Cook & G. W. Krantz. 2009. Order Trombidiformes. In: Krantz, G. W., & D. E. Walter (eds) A Manual of Acarology 3rd ed. pp. 233–420. Texas Tech University Press.

[WEE70] Woodward, T. E., J. W. Evans & V. F. Eastop. 1970. Hemiptera (bugs, leafhoppers, etc.) In: CSIRO. The Insects of Australia: A textbook for students and research workers pp. 387–457. Melbourne University Press.

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