Effects of egg position, host arrangement and rearing space on the efficiency of a new mass-rearing method for the parasitoid Dastarcus helophoroides.

BACKGROUND: Dastarcus helophoroides (Coleoptera: Bothrideridae) is an effective natural enemy against longhorn beetles in China. However, the high cost of rearing, resulting from laborious traditional artificial methods, is the primary obstacle to ap…

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