Avocado thrips (order Thysanoptera) is a key pest that scars fruit. Adults lay eggs hidden inside the underside of leaves, in young fruit, and in fruit petioles. The thrips then develop through two larval and two pupal stages.

Avocado thrips is not an avocado adapted strain of citrus thrips, Scirtothrips citri. Avocado thrips is morphologically more similar to Scirtothrips aceri found on oaks in California and Arizona and Scirtothrips abditus which inhabits pines and oaks in Mexico and Costa Rica.

Avocado thrips were first noticed in California in June of 1996 when they were discovered damaging foliage in a Saticoy avocado orchard in Ventura Co. unty. Since this initial discovery, the thrips population has increased rapidly causing …

Avocado thrips are most common from fall through spring on young leaves. They are more commonly found in groves near the coast because of the cooler coastal temperatures. Thrips usually decline in numbers when temperatures rise and humidity declines in the summer over a period of several days.

aimed at assisting with effective management of avocado thrips and persea mite. We will study how to use available pesticides most effectively, will search for new control materials, hopefully with different modes of action from available materials to reduce the potential for pesticide resistance development, and wil.

Natural enemies include green lacewing larvae, a predaceous thrips, Franklinothrips orizabensis, and predatory mites, in particular Euseius hibisci. Cultural control of avocado thrips. Coarse composted organic yard waste mulch may suppresses avocado thrips pupation because it harbors a more diverse fauna of natural enemies.

Identification tip: Avocado thrips adult has 3 red spots on top of its head, and brown lines separating segments on the upper side and underside of its pale yellow abdomen. Identification tip: Avocado thrips larvae are white to yellowish, resembling citrus …

Jul 26, 2023 · Infestations on avocado are usually the result of adult thrips invading abruptly and in very large numbers, from a large number of other hosts such as mango, litchi and a range of subtropical fruits and other flowering plants. Red-banded thrips feed on leaves and fruit.

Greenhouse thrips (order Thysanoptera) occurs primarily on broadleaved evergreen plants including avocado, citrus, and many ornamentals. Adult greenhouse thrips are black with white legs and white wings. Adults seldom fly, and all stages of this tiny insect are sluggish.

A new thrips pest, avocado thrips, recently appeared on avocados in California. This pest is similar to citrus thrips in appearance and damage caused to fruit. Adults and larvae can also be easily confused with western flower thrips. Use a hand lens to …