Temnocerus aeratus

Temnocerus species are distinguished from other Attelabidae by their elongated, slender rostrum and cylindrical body form. T. aeratus specifically may be recognized by its metallic or bronzy luster (implied by the specific epithet 'aeratus,' meaning 'bronzed' or 'coppered'). Accurate identification to species level requires examination of genitalia and comparison with closely related Temnocerus species, particularly T. australis and T. bicolor, which overlap in eastern North American distribution.

Associated with deciduous forest habitats and woody vegetation; specific microhabitat preferences are not well documented.

Eastern North America; recorded from the United States, with collection localities concentrated in the eastern and central regions based on available specimen data.

Adult activity period likely corresponds with leaf expansion in spring and early summer, typical for Attelabidae, though specific phenological records are sparse.

As a leaf-rolling weevil, the species likely contributes to leaf herbivory and nutrient cycling in forest ecosystems. The leaf-rolling behavior characteristic of Attelabidae creates microhabitats that may be utilized by other invertebrates.

• Temnocerus australisOverlaps in distribution and shares similar body form; distinguished by subtle differences in coloration and rostral proportions, requiring careful examination.
• Temnocerus bicolorSympatric in parts of eastern North America; differs in color pattern with contrasting dark and light areas versus more uniform metallic coloration in T. aeratus.
• Attelabus spp.Other leaf-rolling weevils in the same family but with shorter, stouter rostrums and more compact body shape; Attelabus species also tend to be larger and more robust.

• weevil
• leaf-rolling weevil
• Attelabidae
• North America

• BugGuide
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Catalogue of Life