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 CHAPTER2
COCKROACHES
Learning Objectives
After completion of the study of Cockroaches, the trainee should be able to:
Given a cockroach specimen, hand lens, or pictorial key, identify the
specimen by common name.
Given a list of common cockroaches, match each with its habitat.
Cite monitoring strategies for cockroaches.
Given an actual control situation,, apply all elements of cockroach management to
include sanitation, proper selection of pesticides, application techniques, and other
control methods.
professional ability of their pest controllers.] By
considering the habits discussed below, the applicator
can begin to consider effective measures to control
cockroaches. Except for size, all cockroaches are
relatively similar in overall shape and appearance.
They are nocturnal and stay in the dark whenever
possible. [When they are seen in the open or in the
light, it usually means that a large infestation is
present.] Cockroaches also like tight places where their
bodies can touch surfaces both above and below. As
they grow to adulthood, they will seek varied
harborage (living space) to accommodate their
increasing size. Cockroaches are particular as to where
they live. They do not uniformly infest one room or
all rooms.
The five most common kinds of cockroaches
Cockroaches have survived for more than 300
found in urban areas in the United States (listed in
million years. Ancient fossils had the same appearance
order of frequency found) are the
as today's cockroaches: oval and flat with long legs
German
and antennae. The modern cockroach has the same
Brown-banded
need for a warm, moist climate. Worldwide there are
American
3,500 kinds of cockroaches. While most live wild in
Oriental, and
the tropics, a few, called urban cockroaches, choose to
Smoky-brown cockroach.
enjoy the moist, even temperature humans maintain in
There are five other kinds, or species, that can be
their homes and workplaces.
found in unusual urban situations in the United States:
Applying pesticides where and when the insects
Brown
can be found allows technicians to manage control
Australian
measures most effectively. Knowing similarities and
Surinam
differences are important clues: [Communicating this
Woods, and
knowledge, will give clients more confidence in the
Asian cockroach.
Module One, Chapter 2, Pg 1
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