Skip to Main Content
Greenhouse thrips, Heliothrips haemorrhoidalis, in California avocado orchards: biological control studiesAuthor(s): James A. McMurtry; Mohammad H. Badii
Source: Parker, Bruce. L.; Skinner, Margaret; Lewis, Trevor, eds. Towards Understanding Thysanoptera. Gen. Tech. Rep. NE-147. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station: 393-398.
Publication Series: General Technical Report (GTR)
Station: Northeastern Research Station
PDF: Download Publication (143.25 KB)
DescriptionGreenhouse thrips, Heliothrips haemorrhoidalis (Bouche), on avocado in California, is another case, like pear thrips, of a species being present for many decades but only recently increasing to major pest status. Damaging infestations, previously occurring only sporadically and mainly in areas within a few kilometers of the coast, now are common in the interior districts of Ventura and San Diego Counties in southern California. Greenhouse thrips causes scarring of fruit, mainly on the Hass variety, reducing its market value. The problem has brought about an increased use of insecticides by avocado growers, who generally avoid spraying thereby encouraging control of most arthropod pests by resident natural enemies. This paper summarizes investigations conducted over the past several years on the most common indigenous natural enemies and on introduced parasitoids of H. haemorrhoidalis in California.
- Check the Northern Research Station web site to request a printed copy of this publication.
- Our on-line publications are scanned and captured using Adobe Acrobat.
- During the capture process some typographical errors may occur.
- Please contact Sharon Hobrla, firstname.lastname@example.org if you notice any errors which make this publication unusable.
- We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
CitationMcMurtry, James A.; Badii, Mohammad H. 1991. Greenhouse thrips, Heliothrips haemorrhoidalis, in California avocado orchards: biological control studies. Parker, Bruce. L.; Skinner, Margaret; Lewis, Trevor, eds. Towards Understanding Thysanoptera. Gen. Tech. Rep. NE-147. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station: 393-398.
- Recovery plan for laurel wilt of avocado, caused by Raffaelea lauricola
- North American Lauraceae: terpenoid emissions, relative attraction and boring preferences of redbay ambrosia beetle, Xyleborus glabratus (Coleoptera: Curculionidae: Scolytinae).
- Laurel wilt, caused by Raffaelea lauricola , is detected for the first time outside the southeastern United States
XML: View XML