Dipropus

Germar, 1839

Species Guides

10

Dipropus is a of click beetles ( Elateridae) comprising approximately 150 described distributed across the Americas. The genus was established by Germar in 1839. Species in this genus exhibit the characteristic click mechanism of Elateridae, using a prosternal spine and mesosternal groove to generate the jumping motion that allows righting when overturned.

Dipropus asper by (c) Cole Shoemaker, some rights reserved (CC BY), uploaded by Cole Shoemaker. Used under a CC-BY license.Dipropus schwarzi by (c) Arturo Santos, some rights reserved (CC BY), uploaded by Arturo Santos. Used under a CC-BY license.Dipropus schwarzi by (c) Arturo Santos, some rights reserved (CC BY), uploaded by Arturo Santos. Used under a CC-BY license.

Pronunciation

How to pronounce Dipropus: /dɪˈproʊpəs/

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Identification

Members of Dipropus can be distinguished from other elaterid by the combination of: prosternal process with distinct lateral carinae; mesosternal cavity with well-defined margins; and antennal structure with serrate or pectinate segments in most . Specific identification to species level requires examination of male genitalia and detailed sculpturing patterns on the pronotum and . The genus is most readily separated from similar New World elaterid genera such as Agriotes and Dalopius by the form of the prosternal and the relative proportions of the pronotum.

Images

Distribution

North, Central, and South America. The shows broad distribution across the New World tropics and subtropics, with records from the southern United States through Mexico, Central America, and into South America.

Behavior

Possesses the characteristic clicking mechanism of Elateridae: when placed on the dorsum, individuals can rapidly flex the body using the prosternal spine and mesosternal groove to launch into the air, typically landing on their feet. This righting is a defensive response to attempts.

Similar Taxa

  • AgriotesSimilar body form and distribution in the Americas; distinguished by prosternal structure and antennal
  • DalopiusOverlaps in geographic range and general appearance; differs in pronotal shape and prosternal process configuration

More Details

Taxonomic History

The was described by Ernst Friedrich Germar in 1839. The large number of (approximately 150) suggests substantial diversity within the genus, though many species may be in need of taxonomic revision.

Research Needs

Despite the large number of described , detailed biological information for most Dipropus species remains undocumented. , larval , and species-level distributions are poorly known.

Sources and further reading