Category Archives: Insects

Faustina Underwing

This gallery contains 4 photos.

There are over 100 species of underwing moths (Genus Catocala) in America north of Mexico. Many look similar and are difficult for the amateur to tell apart. Based on range, physical traits and larval hosts, I believe this specimen is … Continue reading

Gallery | Tagged , , , , , , | Leave a comment

Clouded Sulfur

Several butterflies were flying about the Cove Fire site (Modoc National Forest Road 40N11 near Adin CA) when Leonard and I visited it on 09-24-2017, about seven weeks after the fire was controlled. (see “Resilience” on 08-28-17) I was surprised … Continue reading

Posted in Butterflies, Insects | Tagged , , , , | 2 Comments

Yellow Woolly Bear Caterpillar

This gallery contains 3 photos.

Although the species name of the yellow woolly bear (Spilosoma virginica) refers to the State of Virginia, this moth is found in wet forests and meadows throughout much of North America.¬† Appropriately, an alternate common name for S. virginica is … Continue reading

Gallery | Tagged , , , | 2 Comments

Fingered Dagger Moth Caterpillar

This gallery contains 4 photos.

The fingered dagger moth, also commonly called an alder dagger, was formerly classified as a separate species, Acronicta hesperida. This “western form” is now included in Acronicta dactylina¬†and is no longer a separate species. Fingered dagger moth caterpillars are covered … Continue reading

Gallery | Tagged , , , , , , | Leave a comment

Woolly Leaf Gall Midge

This gallery contains 4 photos.

A midge belonging to the genus Blaesodiplosis induces galls on the leaves of a shrub commonly called serviceberry (Amelanchier alnifolia). The hairy, white galls have red tips and are monothalamous (have only one chamber). The galls occur on the upper … Continue reading

Gallery | Tagged , , , , , | Leave a comment

Pipevine Swallowtail

This gallery contains 4 photos.

Pipevine swallowtail caterpillars (larvae) feed on Aristolochia, or pipevine, plants. There are about seven subspecies of pipevine swallowtails widely distributed throughout the United States. The Northern California subspecies (Battus philenor sp. hirsuta) is smaller and hairier than other pipevine swallowtails. … Continue reading

Gallery | Tagged , , , , | Leave a comment

White-lined Sphinx

This gallery contains 2 photos.

The white-lined sphinx (Hyles lineata) usually flies at dawn and dusk, although it also flies during the day. This specimen was photographed at Ash Creek Wildlife Refuge (Modoc County CA) in the late afternoon, although it was an overcast day. … Continue reading

Gallery | Tagged , , , , | Leave a comment