Haplandrus

Haplandrus species can be distinguished from other small Tenebrionidae genera by a combination of: body form moderately elongate; pronotum usually subquadrate to slightly transverse; elytra with distinct striae or punctate-striate sculpture; antennae with 11 segments and a weakly to moderately clubbed terminal segment. The genus lacks the strongly explanate (flanged) lateral pronotal margins seen in some related genera, and the tarsal formula is 5-5-4. Examination of male genitalia is often required for definitive species-level identification within the genus.

North America, with species occurring primarily in the southwestern United States and adjacent regions of Mexico. The genus appears to be centered in arid and semi-arid zones of the American Southwest.

• TenebrioBoth are small to medium Tenebrionidae with somewhat similar body form, but Tenebrio has more robust, rounded body shape, shorter elytra relative to abdomen, and is primarily Old World in distribution with different antennal club structure.
• TriboliumSimilar size and general appearance, but Tribolium species have more convex body form, often with characteristic 'confused' or 'smooth' elytral sculpture patterns, and are primarily associated with stored products rather than native arid habitats.
• EleodesBoth are North American desert tenebrionids, but Eleodes species are generally larger, have more elongate legs, and many species exhibit the characteristic 'head-standing' defensive posture; Eleodes also typically has more prominent elytral costae or different surface sculpture.

• darkling beetle
• North America
• desert beetle
• LeConte 1862

• BugGuide
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy