Dichelonyx elongatula

Distinguished from other Dichelonyx species by its particularly elongate, slender body proportions. The species can be separated from the more common Dichelonyx albicollis and related species by its more cylindrical, less robust build. In trap collections, it may be confused with small elaphidiine cerambycids or other small scarabs, but the combination of size, body shape, and antennal structure (lamellate club typical of scarabs) allows identification. Confirmation of species-level identification requires examination of genitalia or comparison with voucher specimens.

Small, elongate scarab beetle with a slender, cylindrical body form characteristic of the genus Dichelonyx. The body is typically brownish in coloration. The elytra are elongated relative to body width, giving the species its distinctive slender profile compared to more robust scarab beetles.

Has been collected in sand dune woodlands and adjacent habitats. The species appears to be associated with sandy substrates and pine-juniper woodland edges. Specific microhabitat preferences within these areas remain poorly documented.

Documented from eastern Canada, specifically New Brunswick and Prince Edward Island. The species likely has a broader distribution in northeastern North America, but precise range boundaries are poorly defined due to limited collecting effort and identification challenges.

Adults have been collected in late summer and early fall (September). The phenology of this species is poorly documented, but like other Dichelonyx species, adults likely emerge in summer and are active through early autumn.

Adults have been captured in bottle traps, suggesting they may be attracted to fermenting baits or are active in flight near the ground surface. Nocturnal activity patterns are suspected based on trap capture method and observations of congeners, but direct behavioral observations are lacking.

• Dichelonyx albicollisSimilar size and general appearance, but D. albicollis is more robust with a broader body and relatively shorter elytra; also more commonly encountered and widespread
• Small elaphidiine cerambycids (Cerambycidae)Similar size and elongate body form may cause confusion in trap samples, but cerambycids have thread-like or slightly clubbed antennae rather than the distinctly lamellate antennal club of scarabs
• Other Dichelonyx speciesBody proportions and genitalia structure required for definitive separation; many species in this genus are poorly differentiated without detailed examination

• Scarabaeidae
• Coleoptera
• North America
• bottle trap
• sand dune
• scarab beetle
• June beetle

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