Asilidae head feature

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Study for the Science Olympiad Entomology Exam. Dive into entomology with flashcards and multiple-choice questions. Each question comes with hints and explanations to help you ace your exam!

Multiple Choice

Asilidae head feature

Explanation:
Robber flies are typically recognized by a distinctive head shape, where a hollowed, concave area sits between the compound eyes. When you view the head from the front, this indentation stands out and serves as a reliable visual cue to identify Asilidae. This feature is more consistent for the family than other traits, because antenna length, thorax width, and wing color can vary a lot within and between groups. So the hollowed-out region between the eyes is the best indicator for recognizing this family.

Robber flies are typically recognized by a distinctive head shape, where a hollowed, concave area sits between the compound eyes. When you view the head from the front, this indentation stands out and serves as a reliable visual cue to identify Asilidae. This feature is more consistent for the family than other traits, because antenna length, thorax width, and wing color can vary a lot within and between groups. So the hollowed-out region between the eyes is the best indicator for recognizing this family.

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