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UC Pest Management Guidelines


Adult Neohydatothrips burungae closely resembles avocado thrips. Like avocado thrips, it has three red head spots but is often darker than avocado thrips and the brown bands occur only on the top of the abdomen and not underneath.

Avocado

Neohydatothrips

Scientific name: Neohydatothrips burungae

(Reviewed 1/07, updated 1/07)

In this Guideline:


DESCRIPTION OF THE PEST

Neohydatothrips burungae was discovered in San Diego County in 2004. It has previously been reported throughout Central America. In Mexico it is relatively common on avocado and mango. Little is known about its biology.

Neohydatothrips burungae closely resembles avocado thrips. In comparison with avocado thrips, N. burungae often has darker brown shading on the thorax, darker abdominal stripes (brownish rings around the top front of each abdominal segment), and brown bands occur only on top of its abdomen, not underneath. However, coloration is variable and may not reliably distinguish these species. These thrips can be separated by differences in the position and size of setae (stout hairs) on their thorax and wings. For example, Neohydatothrips burungae has a continuous or complete row of short stout hairs on both midveins within its forewings. Avocado thrips has relatively few hairs along these midveins on its front wings; there are sizable gaps in both these rows of hairs on avocado thrips. Careful preparation of several specimens and a good microscope are needed to recognize these characters.

DAMAGE

The importance of N. burungae in California is unknown.

MANAGEMENT

No specific monitoring or management methods are recommended for N. burungae. Whether any management is warranted is unknown.

PUBLICATION

[UC Peer Reviewed]

UC IPM Pest Management Guidelines: Avocado
UC ANR Publication 3436
Invertebrates
B. A. Faber, UC Cooperative Extension, Santa Barbara/Ventura counties
J. G. Morse, Entomology, UC Riverside
M. S. Hoddle, Entomology, UC Riverside
Acknowledgment for contributions to Invertebrates:
P. A. Phillips, UC IPM Program, UC Cooperative Extension, Ventura County
M. Blua, Entomology, UC Riverside
P. Oevering, UC Cooperative Extension, Ventura County
D. Machlitt, Consulting Entomology Services, Moorpark, CA
T. Roberts, Integrated Consulting Entomology, Ventura, CA
B. B. Westerdahl, Nematology, UC Davis

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