My name is Siavash Taravati, an Integrated Pest Management (IPM) Advisor at UC ANR’s UC Cooperative Extension (UCCE) in Riverside County. My job involves doing research and extension activities on different aspects of structural IPM.

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House cricket and tropical house cricket differences

Crickets are wonderful creatures that remind us of beautiful meadows at night. Hearing them chirping is a great experience outdoors. However, things become very different when they move inside. Nobody likes to hear crickets chirping non-stop in the kitchen for hours. There are different types of cri

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Shelters or harborage sites: Their definition and implications for pest management

In structural pest control, we deal with various pests that exhibit different behaviors. Some pests that crawl, such as cockroaches and bed bugs, tend to hide in sheltered locations, either temporarily or permanently. While the terminology used to distinguish different hiding places can be helpful,

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Biology of the dark rover ant

The dark rover ant (DRA), Brachymyrmex patagonicus, is a small invasive ant species that has become increasingly common in parts of California. First detected in the state in 2010 (Martinez et al. 2011), it is now found across Southern California and parts of the lower Central Valley (Taravati 2018)

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Choosing the right bait for managing the red imported fire ant (RIFA) in California

Red Imported Fire Ant (RIFA) baits are among the most effective tools for controlling these invasive and aggressive pests. Designed to target entire colonies, baits combine a slow-acting toxicant with an attractant that worker ants collect and share with the rest of the colony, including the queen(s

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Common methods for managing red imported fire ants (RIFA) in California

Red Imported Fire Ants (RIFA) are invasive insects known for their painful stings and the significant damage they can cause to human health as well as pets, wildlife, and even agriculture. Managing these invasive ants is primarily done using liquid insecticides and granular baits. Here we will discu

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Differences between the common bed bug and bat bugs

Not all bed bugs are alike. In addition to the common bed bug (Cimex lectularius) and the tropical bed bug (Cimex hemipterus, currently rare in the U.S. but occasionally reported in Florida), there are other species that may inhabit or frequent human dwellings, including bat bugs and swallow bugs. B

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Formosan termites in California

The Formosan subterranean termite (FST), Coptotermes formosanus, is a very destructive pest found in Taiwan, Hawaii (Oahu), and Southern U.S. states. It was first reported in California in 1992 in La Mesa, San Diego County. Like many other FST eradication efforts worldwide, FST eradication was not s

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How to distinguish between head, body, and crab lice?

By: Siavash Taravati, Ph.D. Published: 14 August 2019 There are three species of lice that exclusively feed on humans: 1) Head louse 2) Body louse 3) crab/pubic louse. Head louse (Pediculus humanus capitis) and body louse (Pediculus humanus humanus) are thought be conspecifics (member of the same sp

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Red Imported Fire Ant distribution in Los Angeles County

Published: 2 July 2019 By: Siavash Taravati & Jung Kim Collaborator: Jung Kim Red Imported Fire Ant (RIFA, Solenopsis invicta) is an invasive species from South America which arrived in California sometime between 1997 and 1998. RIFA bites and stings people and pets and its control may require profe

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How to distinguish between winged (alate) drywood and subterranean termites in California

First published: 5 April 2019Read about various California individual pest control licenses Drywood termites belong to the family Kalotermitidae while subterranean termites belong to Rhinotermitidae or Termitidae. Many times, Pest Management Professionals (PMPs) find piles of dead, winged termites i

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To fumigate or not to fumigate?

Whole-structure fumigation or simply "fumigation" (not to be confused with use of ‘total-release foggers’ or ‘bug bombs’) is a process in which structures (e.g. houses, vehicles, ships) are covered with tarpaulins (Fig 1.) and a lethal gas, sulfuryl fluoride (SF), is released beneath to kill drywood

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