Category Archives: Insects

Migrating Tortoiseshells

In August while climbing Mount Lassen (Lassen Volcanic National Park CA) Leonard and I were surrounded by literally thousands of California tortoiseshells (Nymphalis californica). The butterflies were hitting us, landing on us, covering the snow and talusĀ  and filling the … Continue reading

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Gray Dagger Moth Caterpillar

This gallery contains 2 photos.

While walking through an alder thicket on the Paradise Meadow Trail at Lassen Volcanic National Park (California), I noticed a caterpillar gorging itself on alder leaves. I took a couple photographs hoping to identify the caterpillar. Not being an entomologist … Continue reading

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Female Twelve-spotted Skimmer

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Twelve-spotted skimmers (Libellula pulchella) are common in most of the United States, Southern Canada and into Mexico. They can be found near ponds, lakes and the broad, slow portions of rivers. As the name suggests, this dragonfly had twelve brown … Continue reading

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Manzanita Leaf Gall Aphid

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In my previous post (see “Manzanita Leaf Fungus” on 08-20-2019), I discussed a manzanita (Arctosstaphylos ssp) gall caused by a fungus. An aphid, the manzanita leaf gall aphid (Tamalia coweni), also induces galls on manzanita shrubs. T coweni has an … Continue reading

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Skimmers

This gallery contains 2 photos.

Recently I have not taken many insect pictures. Thus, when an eight-spotted skimmer (Libellula forensis) was quietly posing for me along the #2 Elkins Pond Trail in Ash Creek Wildlife Area (Modoc County CA), I decided to post a dragonfly … Continue reading

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Painted Lady

The painted lady (Vanessa cardui) is one of the most widely spread butterflies in the world, found in all continents except Australia and Antarctica. An irruptive migrant (migrates independent of seasonal or geographic patterns), the painted lady is capable of … Continue reading

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“Weedy” Butterfly

While browsing Art Shapiro’s butterfly blog I encountered a new term – a “weedy” butterfly. Weedy organisms are those typically associated with habitats disturbed by human activities or dominated by non-native or invasive species. An example of a “weedy” butterfly … Continue reading

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