Lygus hesperus
The Western tarnished plant bug (Lygus hesperus) is a serious pest of cotton, strawberries, and seed crops such as alfalfa. In the state of California alone the bug causes US$30 million in damage to cotton plants each year, and at least US$40 million in losses to the state's strawberry industry. Hosts 
Strawberry in California. See also Western Tarnished Plant Bug in California. References 

Lygus
Agricultural pest insects
Insects described in 1917
Hemiptera of North America