Tag Archives: tall sagebrush

Sponge Gall Midge

This gallery contains 6 photos.

One of the most common galls found on tall sagebrush (Artemisia tridentata) is a spongy gall induced by the sponge gall midge (Rhopalomyia pomum).  Tall sagebrush, also commonly called Great Basin or big sagebrush, is found between 4,000 and 10,000 … Continue reading

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Sagebrush Ecotone

A biome is a distinct biological community that has common characteristics for the environment they live in. Worldwide there are five major biomes – aquatic, desert, tundra, grassland and forest. On a smaller scale, biomes may refer to areas where … Continue reading

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Sagebrush Comparison

This gallery contains 2 photos.

The main sagebrush on our property is tall or big sagebrush (Artemisia tridentata). However, there is an area of silver sagebrush (Artemisia cana). As I read about the two different sagebrush species I became fascinated by the differences between these two … Continue reading

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Silver Sagebrush

This gallery contains 4 photos.

Tall sagebrush (Artemisia tridentata) is the predominant sagebrush species on our property (Lookout CA). However, another sagebrush species, silver sagebrush (Artemisia cana), has established itself in a swale not far from the house. Silver sagebrush prefers poorly drained clay soil … Continue reading

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Old Sagebrush Stem Gall

This gallery contains 5 photos.

The stem gall tephritid fruit fly (Eutreta diana) causes galls to form on tall sagebrush (Artemesia tridentata) following oviposition of a single egg in its axillary or terminal buds. In my last post (“Sagebrush Stem Gall”) I noted that the … Continue reading

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Sagebrush Stem Gall

This gallery contains 6 photos.

The other day I wandered through some tall sagebrush (Artemisia tridentata) on our property (Lookout CA) looking for sagebrush galls. Artemisia species are galled by many species of midges,  tephritid fruit flies and a eriophyid mite. Tall sagebrush (also called … Continue reading

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Wooly Bud Gall Midge

This gallery contains 5 photos.

The wooly bud gall midge (Rhopalomyia medusirrasa) reminds me of dodder (Cuscuta sp.) –  a plant and an insect that in their own ways are both odd, fascinating and strange looking. The wooly bud gall midge induces globular, leafy, pubescent … Continue reading

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