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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]
Nymphs turn a dark brown, and the common name "six spotted cockroach" refers to six yellow spots along the sides of the nymph. Adults of both genders have wings but do not fly. They grow to approximately 6.4 cm (2.5 in) in length. Males are generally smaller than females, with longer wings, and a small rear sternite compared to females.
The Turkestan cockroach, Periplaneta lateralis (also known by its synonyms Shelfordella lateralis and Blatta lateralis), [3] also known as the rusty red cockroach, [4] red runner cockroach [5] or simply rusty red, red runner, [5] or lat, is a primarily outdoor-dwelling cockroach native to an area from northern Africa to Central Asia.
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).
Both female and male Pennsylvania wood cockroaches have been found under shingles and on the inside of garages. They rarely breed indoors. However, with the growing use of firewood, the popularity of cedar shake shingles, and the continual building of homes in wooded areas, problems with Pennsylvania wood cockroaches will probably escalate.
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 ...