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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Early signs of colony collapse in termites when baiting with CSIs

Chitin‐synthesis inhibitors are a group of Insect Growth Regulators such as hexaflumuron, noviflumuron, and novaluron, that are used in subterranean termite bait stations. When ingested by foragers, they are shared with the members of the colony and slowly cause death by disrupting proper molting in

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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 nonstop for hours in their kitchen. There are different types of cr

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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 , Brachymyrmex patagonicus, is a small invasive ant species that has become increasingly common in parts of California. First detected in the state in 2010 , it is now found across Southern California and parts of the lower Central Valley . This is a relatively small ant, with wor

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

Red Imported Fire Ant 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. This en

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

Red Imported Fire Ants 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 discuss each

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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 and the tropical bed bug , there are other species that may inhabit or frequent human dwellings, including bat bugs and swallow bugs. Bat bugs closely resemble bed bugs in appearance but are specifically adapted to feed on bats. There are

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Formosan termites in California

The Formosan subterranean termite , Coptotermes formosanus, is a very destructive pest found in Taiwan, Hawaii , 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 successful i

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Which California pest control license do I need?

You can get licensed to perform pest control under various licenses in California. These licenses are issued by the California Department of Pesticide Regulation , the California Structural Pest Control Board , or the California Department of Public Health . The exact license you need depends on the

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Structural pest control licensure and live capture and removal of vertebrate pests, bees, and wasps without using pesticides

By: Siavash Taravati, Ph.D. Published: 29 Sep 2019 California Structural Pest Control act states that: “It is unlawful for any individual to engage or offer to engage in the business or practice of structural pest control, as defined in Section 8505, unless he or she is licensed under this chapter”

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A summary of experience and knowledge requirements to become a structural pest control licensee in California

By: Siavash Taravati, Ph.D. First published: 26 Sep 2019 Are you planning to become licensed in structural pest control or help your technician in getting licensed? California Structural Pest Control Board governs licensing of individuals and businesses involved in structural pest control. In this a

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

By: Siavash Taravati, Ph.D. There are three species of lice that exclusively feed on humans: 1) Head louse 2) Body louse 3) crab/pubic louse. Head louse and body louse are thought be conspecifics but crab/pubic louse is a different species in a separate genus and family. All these species occur in s

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Who can do perimeter spraying for hire in California?

Published: 10 June 2019 This is one of the grey areas of pest control laws in California. Both the Structural Pest Control Board licensees and Qualified Applicator License holders are legally allowed to do perimeter spraying for business to control ants and other pests immediately around structures.

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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 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 professional help from licensed

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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 find piles of dead, winged termites inside o

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Deviations from pesticide labeling

First release: 29 Sep 2018Disclaimer: This document may be outdated. Readers should get the most updated regulatory information from federal, state, county, and city resources. Remember, laws change all the time!Pesticide label is the law! You probably have heard this over and over. Although all of

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To fumigate or not to fumigate?

Whole-structure fumigation or simply "fumigation" is a process in which structures are covered with tarpaulins and a lethal gas, sulfuryl fluoride , is released beneath to kill drywood termites as well as other structural pests such as bed bugs, cockroaches, etc. Fumigation is a controversial topic

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