This key can be used to distinguish between three species of Lygus reportedly found in agronomic crops in the Central San Joaquin Valley of California.  Being able to correctly identify the various Lygus species may improve interpretation of research results or enhance research progress in areas such as biological control and assessment of economic damage.

Key features of common lygus species in the central San Joaquin Valley

A pictorial guide to be used in conjunction with the detailed explanations and descriptions found in the field key (above).

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