Jul 062010
Authors: Collegian Staff Report

If dusty moths circling your porch light on summer evenings and bee stings aren’t your thing then you’re in luck.

Largely a result of the cold, wet and delayed spring, the numbers of yellowjackets, honey bees and miller moths flying around this summer are down, according to research by CSU entomologist Whitney Cranshaw.

Low numbers of miller moths are a result of fewer eggs laid in the fall and fewer moths that presented in the caterpillar stage last year, according to a CSU press release. Wet weather this spring also took its toll.

“Flights will be later than normal and below normal in total number of miller moths,” Cranshaw said in the release. “They will continue to dribble through town on their annual trek from the plains to the mountains.”

While fewer moths, yellowjackets and bees will be out and about, “there has been a sharp uptick” in aphids, Cranshaw said in the release. Aphids have benefited from spring’s abundant moisture and are small
sap-sucking insects that feast on new growth on certain trees, shrubs and flowers.

There is not an influx in aphids in the drier parts of the state, especially in the southeastern Colorado.

The number of aphids, too, will decrease when lady beetles, lacewings and syrphid flies –– known as predators –– emerge with more force.

 Posted by at 5:20 pm

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