News tagged with beetles

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Host change alters toxic cocktail

(PhysOrg.com) -- Leaf beetles fascinate us because of their amazing variety of shapes and rich colouring. Their larvae, however, are dangerous plant pests. Larvae of the leaf beetle Chrysomela lapponica attack ...

Mar 11, 2011 not rated yet 0 | with audio podcast

Raising giant insects to unravel ancient oxygen

The giant dragonflies of ancient Earth with wingspans of up to 70 centimeters (28 inches) are generally attributed to higher oxygen atmospheric levels in the atmosphere in the past. New experiments in raising modern insects ...

Oct 29, 2010 4.5 / 5 (15) 7 | with audio podcast

Invaders could devastate Florida avocado industry

Florida's lucrative avocado industry could face a serious blow from a duo of deadly new invaders. Together, the invasive fungus called "laurel wilt disease" and the redbay ambrosia beetle, which carries laurel wilt, represent ...

Sep 21, 2010 4 / 5 (1) 0