Hispines of the World

 

Physocoryna Guerin 1844a: 279

 

Synonomys

 

Physocoryna Chevrolat 1836: 389 Nomen nudum.

Phyzocoryna Chevrolat (misspelling).

Physocoryna Chapuis.

Type Species

 

Physocoryna scabra Guérin-Méneville.

Diagnosis

 

Physocoryna can be distinguished by the following combination of characters:

  • the lateral margins of the pronotum and the elytra without long, stiff spines
  • the head without a frontal horn, vertex without medial sulcus
  • the pronotum with a seta in each anterior angle, surface with irregular pits
  • the apex of the elytra without a tooth-like projection
  • the elytra with 8 irregular rows of punctures for entire length and tuberculate
  • the antennae short, clavate, with 7-antennomeres
  • the prosternum does not expand anteriorly to partly cover the mouth

Description

 

Body elongate, attenuate.

Head: small, medial sulcus absent; vertex with triangular depression.

Antenna: very short, clavate; with 7‑antennomeres; antennomeres 1 to 3 similar in size, as wide as long or 3 slightly longer than 1 or 2; 4-6 transverse; 7 much wider, oval, with whorls of bristles, hirsute.

Pronotum: transverse; tooth present in anterior angle; tooth present on lateral margin; surface with irregular pits.

Elytron: parallel-sided, enlarged in exterior apical angle; lateral and apical margins serrate; apex almost truncate; surface with strong, confused punctures; puncture row 1 visible on basal ½, interrupted by tubercles; elytral sculpturing symmetrical.

Venter: prosternum broad.

Leg: short; tarsi wide, tarsomere 1 short, 2 twice as large as 1, 3 as long as 1 and 2 combined, 4 slightly exceeds lobes of 3.

Distribution

 

Argentina, Brazil, Colombia, Costa Rica, French Guiana, Panamá, Paraguay.

World Fauna

 

Described species: 3 (Staines 2012). Key: Staines 1999b.

Hosts

 

Canavalia, Cymbosema, Dioclea, Phaseolus (Fabaceae); Stigmatophyllum (Malphigiaceae).

References

 

Chevrolat, L. A. A. 1836. in P. F. M. A. Dejean, Catalogue des Coléoptères de la collection de M. le comte Dejean. Troisième edition, revue, corrigée et augmentée, livr. 5, pp. 385‑503. Mequignon-Marvis. Paris.

Guérin‑Méneville, F. E. 1844. Iconographie du regne animal de G. Cuvier, vol. 7, insectes, 576 pp., 104 pls. J. B. Baillière. Paris.

Staines, C. L. 1999b. A review of the genus Physocoryna Guèrin-Mèneville, 1844 (Coleoptera: Chrysomelidae: Hispinae). Journal of the New York Entomological Society 106(4):163-169.

Staines, C. L. 2012. Tribe Chalepini. Catalog of the hispines of the world (Coleoptera: Chrysomelidae: Cassidinae). http://entomology.si.edu/Collections_Coleoptera.html

 

last updated April 2014
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