Figures 5.2


Relationship between length of horn and body size (thorax width) of male scarabs of Onthophagus taurus.
Figures 5.2. Relationship between length of horn and body size (thorax width) of male scarabs of Onthophagus taurus.

(After Moczek & Emlen 2000; with beetle heads drawn by S.L. Thrasher)

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  Males of the Arctic fly Rhamphomyia nigrita (Diptera: Empididae) hunt for prey in swarms of Aedes mosquitoes (lower mid-right of drawing) and carry the prey to a specific visual marker of the swarm site (left of drawing).
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  Two males of Phytalmia mouldsi (Diptera: Tephritidae) fighting over access to the oviposition site at the larval substrate visited by females.