Asilidae head feature

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Prepare for the Science Olympiad Entomology Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Boost your confidence and ace your test!

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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