female robber fly in the genus efferia perched among gravel laying eggs in wyoming

adaptation efferia ovipositing pollinator wyoming biodiversity hotspot biological research close ecology ecosystem balance entomology environmental awareness fauna interaction female field studies flora gravel habitat conservation habits insect anatomy behavior observation invertebrate laying eggs life cycle macro natural camouflage history world nature outdoor exploration plant predator robber fly rocky terrain scientific small creature soil species identification summer survival terrestrial wildlife genus perched sandy ground unusual