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Parcoblatta uhleriana, the Uhler's wood cockroach, is a species of Parcoblatta native to the United States and Canada. [2] [3] It is a forest species also found in disturbed and urban environments. [4] [5] The male of the species flies freely, while the female does not fly. [6]
Immature cockroaches emerge from egg cases in 6–8 weeks and require 6–12 months to mature. After hatching, the nymphs feed and undergo a series of 13 moultings (or ecdysis). Adult cockroaches can live up to an additional year, during which females produce an average of 150 young. The American cockroach reproductive cycle can last up to 600 ...
The German cockroach reproduces faster than any other residential cockroach, [15] growing from egg to reproductive adult in roughly 50 – 60 days under ideal conditions. [16] Once fertilized, a female German cockroach develops an ootheca in her abdomen. The abdomen swells as her eggs develop, until the translucent tip of the ootheca begins to ...
Dubia cockroaches: Adult Male, Adult Female, and Juvenile. Blaptica dubia , the dubia roach , orange-spotted roach , [ 2 ] Guyana spotted roach , [ 3 ] or Argentinian wood roach , [ 4 ] [ 5 ] is a medium-sized species of cockroach which grows to around 40–45 mm (1.6–1.8 in).
The oriental cockroach (Blatta orientalis), also known as the waterbug (as they live in damp areas) or black cockroach (as their bodies are mostly dark), [1] is a large species of cockroach, adult males being 18–29 mm (23 ⁄ 32 – 1 + 5 ⁄ 32 in) and adult females being 20–27 mm (25 ⁄ 32 – 1 + 1 ⁄ 16 in). [2]
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While cockroaches do, indeed, have a much higher radiation resistance than vertebrates, with a lethal dose perhaps six to 15 times that for humans, they are not exceptionally radiation-resistant compared to other insects, such as the fruit fly. [67] The cockroach's ability to withstand radiation has been explained through the cell cycle.
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