Lytta magister

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Lytta magister
Desert Blister Beetle.jpg
Scientific classification
Binomial name
Lytta magister
Horn, 1870

Lytta magister (also known as the desert blister beetle or master blister beetle) is a species of blister beetle found in southwestern North America.

Typically 16 to 33 mm (0.6 to 1.3 in) in length, L. magister has a striking red head, legs and prothorax, with black elytra. They can be found in great numbers in the Mojave and Colorado Deserts in spring, and are often seen in swarms.[1] Females lay eggs in holes in the desert soil. The larvae are insectivorous, mainly attacking bee nests.[2] They consume the immature host along with its provisions, and can often survive on the provisions alone, thus they are not obligatory parasitoids but rather food parasites that are facultatively parasitoid, or simply predatory. Adults feed on flowers and leaves of brittlebush.[1]



  1. ^ a b Arthur V. Evans, James N. Hogue. Field Guide to Beetles of California, University of California Press, 2006. p229. ISBN 0-520-24655-1
  2. ^ Floyd G. Werner, Carl E. Olson, Werner/ols, Carl A. Olson. Insects of the Southwest, Da Capo Press, 1994. p122. ISBN 1-55561-060-9