Green-eyed Horse Fly

Look at what was on my car this morning! Those bright green eyes and furry yellow back really caught my attention. This is a female green-eyed horse fly (Tabanus fulvulus). I learned today that the females have a space between their eyes, while the males have contiguous eyes. I didn’t know what this bug was… Continue reading Green-eyed Horse Fly

American Lotus in Downtown Cary Park

The American lotus (Nelumbo lutea) is blooming in Downtown Cary Park. These native plants are filtering stormwater before it enters Walnut Creek. Stormwater typically contains nitrogen and phosphates, which act as fertilizer for algae. The algae form dense mats that prevent underwater plants from growing. Bacteria break down the algae and consume the oxygen in… Continue reading American Lotus in Downtown Cary Park

A Closer Look at Virginia Creeper

Have you ever taken a close look at Virginia creeper (Parthenocissus quinquefolia)? This common native vine is sometimes confused with poison ivy. Virginia creeper’s leaves are almost always in groups of five, while poison ivy’s leaves are in groups of three. You don’t need to worry about touching Virginia creeper. It will not make you… Continue reading A Closer Look at Virginia Creeper

Blue Grosbeak

I saw a different bird in the neighborhood this week. This is a male blue grosbeak (Passerina caerulea). He seemed to be enjoying the scrubby brush filled with blackberries. I learned that they typically build their nest in vines or briars, shrubs or small trees. So, there could be a nest somewhere close by. I’ll… Continue reading Blue Grosbeak

What’s That? May 26, 2026

What are those red and white circles on the maple leaves? The bright, colorful circles really stand out against the green leaves. They look like little bullseyes. These spots are a maple eyespot gall, caused by an ocellate gall midge (Acericecis ocellaris). The larvae develop in the leaves of maples in the spring. They use… Continue reading What’s That? May 26, 2026