Presidio SF zygoptera north arm mountain lake (Trip)
looking for damselflies at mountain lake's north arm
looking for damselflies at mountain lake's north arm
search for zygoptera at mountain lake's east arm
first two attempts failed on this trips page for this site
walked the four main ponds in the el polin valley
searched the northern pooled area
searched the northern pooled area
walked the YMCA creek upstream from beginning to end
surveyed mountain lake (Presidio SF) east arm site main basin for damselflies
searched rob hill for gastropods
searched around in a restoration site to look for variable checkerspots that were reintroduced in 2017.