Pest Information - Roaches
There are over 4,000 species of roaches but only 12-14 are associated with humans. This site will focus on the roaches most commonly found in Hawaii. Learn about their Appearance, Habitat, Diet, Health Risks, and Reproduction.
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The Australian cockroach is a large species of cockroach, winged, and growing to a length of 1 1/4"-1 3/8". It is brown in color and a bit smaller than the American cockroach, has a yellow margin on the thorax, and yellow streaks at its sides at the wing base.
This species has become established in the southern
It appears to prefer eating plants more than its relatives do, but can feed off a wide array of organic (including decaying) matter. Like most cockroaches, it is a scavenger.
Type of Damage
The Australian roach becomes a pest when it enters homes, where it may eat holes in clothing and feed upon book covers.
Roaches contribute to health concerns such as asthma and the spread of bacteria.
The Australian cockroach life cycle requires about one year from egg to adult. The ootheca (egg sack) takes 40 days to hatch. There are 24 eggs per egg capsule, 16 of which hatch. Each female produces 20 to 30 oothecae.
Despite its name, the Australian cockroach originated in Asia.