Some folks say that this lovely lepidopteran is the smallest butterfly in the world. We aren’t completely sure that is true, but it is safe to say that this is the smallest butterfly in California and possibly in North America. The wingspan of the western pygmy blue (Brephidium exilis) is only about 13 mm or about 1/2 inch. The wings of this alluring creature are a shimmery copper, marked with dusky blue on the inside and edged in white.
Although it is relatively common in alkali habitats such as salt marshes, the species can be hard to find because of its diminutive size and flying habits. Look for this tiny flutterer along the MVSD Service Road near McNabney Marsh July through early October. The males fly low over favorite host plants, like Atriplex (saltbushes), looking for receptive females. Saltbushes and Suaeda are where females lay eggs and caterpillars feed. If you spot one you will likely find dozens or even hundreds within a few square meters of habitat!
Mt. View Sanitary District is fully committed to providing accessible facilities, elements and
channels of communication to all members of the public. As part of this commitment, Mt. View Sanitary District
has a policy of providing an accessible website compatible with the Web Content Accessibility Guidelines (WCAG 2.1) and
commercial screen reading software. All features of the website are coded to allow individuals with vision and
other impairments to understand and use the website to the same degree as someone without disabilities. We welcome
feedback and can often resolve issues in a timely manner if they arise.
If you need any special assistance or accommodations:
Mt. View Sanitary District has designated a compliance officer for website disability-related accommodations.
The compliance officer has received training in website accessibility and updates the site in accordance with those best
practices. Contact our accessibility officer to report an issue.
Compliance Procedures and Reports
In addition to testing with users with a wide range of disabilities and coding our website to WCAG standards,
Mt. View Sanitary District regularly scans its website to ensure ongoing compliance, and makes timely
changes to any inaccessible changes, if any are found.
Linked Documents and Third Parties
Please note that this site may link out to third-party websites, such as state or federal agencies, that do
not have accessible content. This site may also include documents provided by third parties included in our
agenda packets, for example. While we cannot control the accessibility of content provided by third parties,
we are happy to assist any member of the public with reading and accessing content on our site.