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NOTE: As of 2014, the California Beetle Project page is no longer updated. The original database and list of California beetles in the menu on the left will remain for the time being, but the information contained within is not necessarily current. SBMNH Entomology Curator Matthew L. Gimmel has divided up the function of the original database into two conceptual halves:

  1. The SBMNH Entomology specimen-level database, including all SBMNH beetle specimens included in the CBP database, which is now available (and ever-growing) through the ecdysis portal at https://serv.biokic.asu.edu/ecdysis/

  2. A literature- (and available specimen-)based checklist.
  3. of the Coleoptera of California, which is being revised and re-compiled by Dr. Gimmel, and, as of January 2017, is about 85% complete.




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Last updated 01/16/2009

 California Beetle Project > Species Pages > Hippodamia convergens

Classification

Scientific name: Hippodamia convergens Guérin-Méneville
Common name: Convergent Lady Beetle
    Order Coleoptera
    Superfamily Cucujoidea
    Family Coccinellidae

Images (click to enlarge)

What it looks like: 4.2-7.3 mm in length. It's body is robust and ovoid, with distinctive bright red elytra covering the entire abdomen. The elytra have symmetrical black spots unique to each individual, varying from barely visible specks to fully developed patterns of obvious marks. The beetle's name, however, is not derived from the colorings of the elytra, but rather from two pale converging spots appearing on its black pronotum.

Where you'll find it: These beetles are common throughout the United States and central Canada.

Natural History: Convergent lady beetles generally live on plants such as wheat, sorghum, alfalfa, fruit, and vegetables. They serve a great benefit to farmers and gardeners because their primary diet consists of aphids, a small pest that can ruin the valuable crops. They have the ability to adjust their lifecycles according to aphid availability and can hibernate for up to 9 months if need be. Enormous overwintering aggregations of H. convergens can often be found in mountain canyons.

This page was written by Maren Farnum, a 2005 California Beetle Project intern.




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