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About Dr. Hanif Gulmahamad, BCE, PCA

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Dr. Hanif Gulmahamad, BCE, PCA is an urban and structural entomologist and consultant based in Ontario, Calif. He can be reached at

Posts by Dr. Hanif Gulmahamad, BCE, PCA

What are dark-winged fungus gnats? Posted on 23 Nov 2017 in the Technical categories.

Diptera: Sciaridae are also known as root gnats. Read more»

Zombie flies: Invasion of the carrion eaters Posted on 30 Oct 2017 in the featured & Flies categories.

Why didn’t these green bottle flies realize they were invading the home of a pest management professional? Read more»

California PMPs: Know your licensed limits Posted on 12 Sep 2017 in the featured categories.

In California, the Laws and Regulations Relating to the Practice of Structural Pest Control defines a structural pest as being one that is in, on or invading a structure. Roof... Read more»

How rodents resemble squirrel monkeys Posted on 05 Sep 2017 in the featured & Mice & Rats & Rodents categories.

Rats and mice belong to the order Rodentia and family Muridae. The word rodent is derived from the French word rodere, which means “to gnaw.” Rats possess two pairs of... Read more»

Trapping roof rats with a sweet tooth Posted on 01 Sep 2017 in the Rats & Rodents categories.

Follow the clues the rats leave behind as they feast on orange trees. At one time, three color variants of roof rats were recognized. They were known by the following... Read more»

Apache wasps are fierce fighters Posted on 03 Aug 2016 in the Stinging Insects & Technical & Wasps categories.

Polistes apachus, commonly encountered in the western U.S., can act menacingly when foraging for nest materials. But their Achilles heel just might be plain old H2O. Paper wasps (Polistes spp.)... Read more»

Web Exclusive: Why the Opossum Successfully Lives in the Shadows of Humans Posted on 10 Aug 2015 in the featured & Technical & Web Exclusives & Wildlife categories.

As a pest management professional (PMP), how extensive is your knowledge of opossums? When speaking with customers who are experiencing problems with this animal, a few interesting facts will help... Read more»

Pest Trends: Brown Widow Knows How to Deal with Unusual Prey Posted on 01 Jul 2015 in the Spiders & Technical categories.

Latrodectus geometricus is also known as the brown widow spider, gray spider, geometric button spider, brown button spider and the house button spider. Discovered by C.L. Koch in 1841, it... Read more»