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Plates in: [Album of mounted photographs illustrating the work of the California state insectary, Sacramento : Photographs taken from 1910-1912] / California state insectary, Sacramento, pg. 29g. 2014-1690. The Insectary Division of the Commission of Horticulture was responsible for collecting, breeding and disseminating predaceous insects as a means of controlling harmful insects. As part of that work, they collected and disseminated the native species of ladybird (ladybug) beetle or coccinellids, notably Hippodamia convergens.
Photographs. Nonprojected graphic
1 photographic print ; 3 1/8 x 2 1/8 in.
California. State Insectary--Photographs Insects--Collection and preservation--California--Sacramento--Photographs Biological pest control--California--Sacramento Sacramento (Calif.)--Photographs Photographic prints Photograph albums