Passalus punctiger

Passalus punctiger, common name Passalid Beetle,[2] is a Betsy beetle of the family Passalidae.[3]

Passalus punctiger
Passalus punctiger. Mounted specimen on display at the Museo Civico di Storia Naturale di Milano
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Superfamily:
Scarabaeoidea
Family:
Passalidae
Genus:
Passalus
Species:
P. punctiger
Binomial name
Passalus punctiger
Lepeletier & Audinet-Serville
Synonyms
  • Neleus acarinatus Kuwert, 1898
  • Neleus aequatoris Kuwert, 1898
  • Neleus altidens Kuwert, 1898
  • Neleus approximatidentatus Kuwert, 1898
  • Neleus arcuatotaeniatus Kuwert, 1898
  • Neleus argentinus Kuwert, 1898
  • Neleus arrogans Kuwert, 1898
  • Neleus boliviensis Kuwert, 1898
  • Neleus carinaefrons Kuwert, 1898
  • Neleus chilensis Kuwert, 1891

[1]

Description

Passalus punctiger can reach a length of about 34 millimetres (1.3 in). Body is flattened and completely black, with yellowish hairs on elytral shoulders and anterior sides. Elytra show deep grooves and a strong punctation. Antennae have long lamellae.[4]

Distribution and habitat

This species occurs in Arizona, Mexico and in Central and Southern America up to Paraguay and Argentina. It also is present on the Galapagos Islands. It can be found in humid forest areas at an elevation of 0–1,500 metres (0–4,921 ft) above sea level.[4][5][6]

Life cycle

These beetles live under and inside rotten logs. Females lay eggs are in tunnels into the wood. This species has one brood or generation per year (univoltine).[7]

  • Passalus punctiger
  • Adult variation
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References
  1. Biolib
  2. Darwin Foundation
  3. Hallan, J. (2010) Synopsis of the described Coleoptera of the World
  4. Fauna of Paraguay
  5. Discover Life
  6. Jack Schuster Bess Beetles in Encyclopedia of Entomology
  7. José R.C. Mouzinhoa, Claudio R.V. da Fonsecaa & Márcio L.L. Barbosaa The influence of flood pulses on the reproductive strategy of two species of passalid beetle in the fluvial archipelago of Anavilhanas, Amazon, Brazil Journal of Natural History Volume 44, Issue 9-10, 2010


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