Sexual-mimicry
Guides
Aleochara curtula
Shortened Minute Rove Beetle
Aleochara curtula is a small rove beetle in the family Staphylinidae, distributed across the Palearctic region and introduced to North America. Adults measure approximately 7 mm in length with distinctive two-toned elytra and brush-like antennae. The species exhibits complex sexual behaviors including male-male aggression, female mimicry through pheromone production, and active female mate choice. Larvae are ectoparasitoids of fly pupae, developing within carrion habitats.
Xeralictus bicuspidariae
Xeralictus bicuspidariae is a rare bee species in the family Halictidae, discovered to play a central role in a floral mimicry system in the Sonoran Desert. The species is one of two rare Xeralictus bees involved in a pollination relationship with Mentzelia involucrata, a yellow-flowered plant in the family Loasaceae. Male bees patrol for females at these flowers, where they attempt to mate with females buried head-first in the blossoms. This behavior has been exploited by the orchid-like plant Mohavea confertiflora, which mimics both the appearance of Mentzelia flowers and the visual cue of a female bee abdomen, tricking males into attempting copulation and thereby transferring pollen.