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Bug Bonanza: 7 Big, Colorful Critters to Try to Spot This Monsoon Season

Salvador Vitanza With the summer monsoons bringing much-needed rain to the Old Pueblo, calls and identification requests are pouring into the University of Arizona Department of Entomology. And that s not surprising, said Gene Hall, who oversees the University of Arizona Insect Collection and provides insect and other arthropod identifications as part of the Cooperative Extension s Insect Diagnostics Clinic. This is one of the first summers in probably three years that we ve had a lot of good rain, and that means our bugs are out in big numbers. Arizona is home to one of the most biologically diverse populations of insects in the country, according to Hall. In the university s 2 million-specimen collection, more than 20,000 species are from the Sonoran Desert.   

Longer, More Frequent Periods of Drought Plague Western United States

William K. Smith Periods of drought in the western United States have become longer over the past 50 years, according to a new study from researchers in the University of Arizona College of Agriculture and Life Sciences in partnership with the USDA Agricultural Research Service. In hopes of understanding how significantly rainfall totals and timing have changed in the past five decades, the researchers analyzed daily meteorological data from over 300 long-term weather stations across the western U.S. In the West, total annual rainfall has decreased by about 0.4 inches since the 1970s. The average longest dry period has increased by roughly 50% from 20 to 32 days, said co-senior author

Dramatic Decline in Western Butterfly Populations Linked to Fall Warming

Dramatic Decline in Western Butterfly Populations Linked to Fall Warming
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