USFWS-SPM-Butterfly-01

Preconstruction Survey

The Project Proponent will implement the following measures, depending on the time of year for project construction:

a. During the nonflight season (Table 11), preconstruction surveys for caterpillars and the larval host plants will be conducted during the typical bloom season. A Qualified Biologist, able to identify the larval host plants and caterpillars of Smith’s blue butterfly, will conduct at least one and as many as three surveys prior to the start of construction to determine the use of the site by Smith’s blue butterfly.

b. During the flight season (Table 11), preconstruction surveys for Smith’s blue butterfly and the larval host plants will be conducted. A Qualified Biologist, able to identify the butterflies and their host plants, will conduct as many as three surveys prior to the start of construction, to determine the use of the site by Smith’s blue butterfly. If flight surveys are not possible, the butterfly species associated with the larval host plant will be assumed to be present.