Rhopalophora longipes

(Say, 1824)

Eastern Rhopalophora

Rhopalophora longipes is a small, and the only eastern North representative of the tribe Rhopalophorini. The exhibits the characteristic black body with red and/or coloration typical of this tribe. are frequently observed on flowers during daylight hours. The species was first described by Thomas Say in 1824.

Rhopalophora longipes by (c) River Ahlquist, some rights reserved (CC BY), uploaded by River Ahlquist. Used under a CC-BY license.Rhopalophora longipes P1410765a by xpda. Used under a CC BY-SA 4.0 license.Rhopalophora longipes P1410766a by xpda. Used under a CC BY-SA 4.0 license.

Pronunciation

How to pronounce Rhopalophora longipes: //ˌroʊpəˈlɒfərə ˈlɒŋɪˌpiːz//

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Identification

Distinguished from other small by its slender form, black , and red and . The tribe Rhopalophorini is characterized by distinctly (-shaped) legs, a feature visible in this . Separated from the similar-appearing Cosmisoma species (which occur only in the Neotropics) by the absence of prominent antennal tufts. Distinguished from other eastern U.S. by the combination of small size, flower-visiting , and the black-and-red color pattern.

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Distribution

Eastern United States. Extends northward from the largely Neotropical range of the tribe Rhopalophorini.

Behavior

and frequently found on flowers. Exhibits the characteristic slow, deliberate movement pattern of the Rhopalophorini rather than the rapid, frenetic movement typical of many other .

Similar Taxa

  • Cosmisoma brulleiSimilar black-and-red coloration and slender form, but Cosmisoma possess distinctive tufts of hair on the and are restricted to the Neotropics (South America).
  • Other Rhopalophora speciesNumerous South share the general facies of slender black body with red /, but these occur only in the Neotropics; R. longipes is the sole eastern U.S. representative of the .
  • Zelus longipesUnrelated that shares the specific epithet 'longipes' and similar coloration (red and black), but belongs to a different () and has very different and .

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Sources and further reading