Cerceris flavofasciata

H. Smith, 1908

Species Guides

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Cerceris flavofasciata is a solitary predatory in the Crabronidae, first described by H. Smith in 1908. As a member of the Cerceris, it likely shares the characteristic prey specialization typical of the genus, where individual focus on particular groups. The species is found in North America, though detailed ecological studies are limited compared to better-known such as C. fumipennis.

Pronunciation

How to pronounce Cerceris flavofasciata: //sɛrˈsɛrɪs ˌflævoʊfæsiˈɑːtə//

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Identification

Distinguished from other Cerceris by specific facial markings and coloration patterns, though precise diagnostic features require direct examination. Females typically display three yellow facial markings, while males have two. The species name "flavofasciata" suggests yellow-banded coloration. Burrow entrances, if consistent with the , would be circular and pencil-sized with symmetrical mounds of fine-textured diggings.

Distribution

North America. Specific locality records are sparse; the has been documented through limited observations and collection records across the continent.

Ecological Role

As a predatory , likely functions as a control agent for its specific prey group. The Cerceris is known for ecological specialization that may contribute to local beetle structure.

Similar Taxa

  • Cerceris fumipennisShares and general ; C. fumipennis is distinguished by its near-exclusive specialization on Buprestidae (jewel beetles) and has been extensively studied for biosurveillance of emerald ash borer
  • Cerceris bicornisAnother North American ; distinguished by prey specialization on weevils (Curculionidae) and slightly larger burrow entrances on average
  • Cerceris rybyensisEuropean with similar nesting but different geographic range and prey specialization on bees

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