Helopini
Guides
Helops attenuatus
attenuated darkling beetle
Helops attenuatus is a North American darkling beetle in the family Tenebrionidae, first described by LeConte in 1851. The species belongs to a genus characterized by elongated body forms and relatively long antennae compared to many tenebrionids. Like other members of the tribe Helopini, it exhibits morphological traits that can cause confusion with ground beetles (Carabidae), particularly in antennae structure.
Helops discipulus
Helops discipulus is a species of darkling beetle in the family Tenebrionidae, described by Casey in 1891. As a member of the genus Helops, it belongs to the tribe Helopini within the subfamily Tenebrioninae. The genus Helops is primarily distributed in North America. Darkling beetles in this genus are typically found in terrestrial habitats and are characterized by their concealed mandibles and bead-like antennae segments, distinguishing them from predatory ground beetles.
Helops sulcipennis
Helops sulcipennis is a species of darkling beetle (family Tenebrionidae) described by John Lawrence LeConte in 1866. As a member of the tribe Helopini, this beetle belongs to a group of elongate, moderately sized tenebrionids that are primarily found in North America. The specific epithet 'sulcipennis' refers to grooved or furrowed elytra, a characteristic feature of this species. Like other Helopini, this beetle is likely associated with decaying wood and forest floor habitats.
Nalassus
A genus of darkling beetles (Tenebrionidae) comprising more than 70 species distributed across the Palearctic and North America. Species occupy diverse habitats from coniferous forests to alpine zones and steppe landscapes. The genus exhibits pronounced ecological specialization, with distinct species groups adapted to forest, alpine, or steppe environments and corresponding trophic niches.