Hispines of the World

 

Adalurnus Maulik 1936: 392

 

Type Species

 

Adalurnus rotundatus Maulik.

Diagnosis

 

Adalurnus can be distinguished by the following combination of characters:

  • the lateral margin of the pronotum and the elytra lacking long, stiff spines
  • the head lacking a frontal horn
  • the pronotum having a tuft of setae in each angle
  • the antennae having 11-antennomeres, filiform
  • the elytral punctures not being in regular rows
  • the elytra lacking costae
  • the pronotum being nearly as wide as the base of the pronotum
  • the body being nearly oval.

Description

 

Large (13-25 mm); body broad, nearly as wide as long, convex, in side view, highest point just behind middle.

Head: concave between eyes; mandible large, convex.

Antenna: with 11-antennomeres.

Pronotum: almost as wide as base of elytra, shinier than elytra; finely and sparsely punctate; with tuft of setae in each angle.

Scutellum: pentagonal; impunctate.

Elytron: duller than pronotum; confusedly and moderately punctate, punctures closely spaced; costae absent; lateral and apical margins smooth, expanded.

Venter: almost glabrous; shining; prosternum with anterior margin convex, expanded to conceal lower mouthparts; with 5 visible abdominal sterna.

Leg: fairly robust; sparsely covered with fine setae; generally not visible from above; femur widest in middle; tibia wider at apex, setose at apex; tarsi large, broad, thick setae beneath; tarsomere 1 small; 2 bilobed; 3 longer than 2; 4 long but not projecting past 3; claws simple, strong.

Distribution

 

Brazil.

World Fauna

 

Number of species: 1 (Staines 2012)- Adalurnus rotundatus Maulik.

Hosts

 

Unknown.

References

 

Maulik, S. 1936. A new Brazilian hispine beetle. The Annals and Magazine of Natural History (10)18: 392‑397.

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

 

Content last updated April 2014
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