The Nature LibraryEN·ES
iNat·131971GenusInsecta10,422 field observations
  1. Animals
  2. ›Arthropods
  3. ›Hexapods
  4. ›Insects
  5. ›Winged and Once-winged Insects
  6. ›Beetles
  7. ›Water, Rove, Scarab, Long-horned, Leaf, and Snout Beetles
  8. ›Cucujiform Beetles
  9. ›Darkling Beetles and Allies
  10. ›Darkling Beetles
  11. ›Tenebrioninae
  12. ›Tenebrionini
Mealworms
Plate 1 of 2. (c) Didier Descouens, some rights reserved (CC BY-SA) · via iNaturalist

Mealworms

Tenebrio

Tenebrio is a genus of darkling beetles. Adults are 12–18 mm (0.47–0.71 in) long and can live for 1–2 years. The larvae are minor pests, but they are also widely reared and sold as pet food.

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4 branches of this genus, most-observed first

Yellow Mealworm Beetle

speciesTenebrio molitor

Dark Mealworm

speciesTenebrio obscurus

Tenebrio opacus

speciesTenebrio opacus

Tenebrio guineensis

speciesTenebrio guineensis

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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Every page naming Tenebrio in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 131971.