Trichogramma wasps are tiny Hymenopteran insects, measuring 1 millimeter in length or less.
There are over 230 species of Trichogramma, and most are so similar that advanced expertise is required to tell them apart.

Non-Native Wasp Release Zones Map

THE TRICHOGRAMMA MANUAL

Costs

Biological control of Light Brown Apple Moth, Mills Lab, University of California, Berkeley

Trichogramma Update 2007: T. pretiosum as a substitute for T. platneri

HABITAT MANIPULATION TO ENHANCE BIOLOGICAL CONTROL OF LIGHTBROWN APPLE MOTH

Trichogramma Release methods

Trichogramma Capsules

Non-Native Wasp Release Map. 42 million wasps will be released in Santa Cruz Monterey area. 10 million in San Francisco.

Listen to Bob Dowel, CDFA talk about wasps.
Listen (right click save as..)