Elytroleptus immaculipennis

Knull, 1935

Elytroleptus immaculipennis is a longhorned beetle in the Cerambycidae, described by Knull in 1935. The species was previously known as Elytroleptus peninsularis (Hovore, 1988) until that name was synonymized with E. immaculipennis in a 2013 taxonomic revision. The Elytroleptus is distributed across the southwestern United States, Mexico, and Central America, with most species exhibiting intraspecific polychromatic variation. Several Elytroleptus species are known lycid (net-winged beetle) mimics, though E. immaculipennis is not specifically documented among the species that feed on their models.

Pronunciation

How to pronounce Elytroleptus immaculipennis: /ɛlɨtroʊˈlɛptəs ɪˌmækjʊlaɪˈpɛnɪs/

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Identification

Elytroleptus immaculipennis can be distinguished from other Elytroleptus by the absence of elytral maculations (spots or markings), as indicated by its specific epithet 'immaculipennis' meaning 'unspotted wings'. The species exhibits intraspecific polychromatic variation in coloration. For definitive identification, comparison with the species descriptions and key provided in Grzymala & Miller (2013) is recommended, particularly examining mouthpart and genitalia .

Distribution

The occurs in the southwestern United States and Mexico, with records from Middle America and North America. The Elytroleptus extends from the southwestern United States through Mexico and Central America (Guatemala, Honduras, Nicaragua, Rica).

Similar Taxa

  • Elytroleptus apicalisSimilar distribution and appearance; E. apicalis is documented as a lycid mimic and on its model, whereas E. immaculipennis lacks this confirmed .
  • Elytroleptus ignitusBoth exhibit polychromatic variation; E. ignitus was formerly confused with E. luteicollis (now synonymized) and is one of three documented lycid mimics in the .
  • Elytroleptus divisusFormerly separated as E. dichromaticus (now synonymized with E. divisus); both show color variation that requires careful examination to distinguish.

More Details

Taxonomic History

Elytroleptus peninsularis Hovore, 1988 was synonymized with E. immaculipennis Knull, 1935 by Grzymala & Miller (2013), who found that the distinguishing characters originally used to separate the two did not hold up under examination of broader series.

Phylogenetic Position

Phylogenetic analysis of the Elytroleptus using 21 morphological characters supports the monophyly of the genus, which is characterized by four unambiguous synapomorphies.

Sources and further reading