Summary ²

Sphecius grandis, also called the western cicada killer, is a species of cicada killer wasp (Sphecius). The western species shares the same nesting biology as its fellow species, the eastern cicada killer (S. speciosus). S. grandis, like all other species of the genus Sphecius, mainly provides cicadas for its offspring. It forms nest aggregations and mates and broods once in a year, in July and early August. The wasp is on average 3 cm (1 in) to 5 

Sources and Credits

1. (c) Todd Fitzgerald, some rights reserved (CC BY-NC), uploaded by Todd Fitzgerald
2. (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Sphecius_grandis

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