Biology, asked by zeenat732, 10 months ago

comapre blatta and periplanata​

Answers

Answered by Aa006raw
4

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Differences between Blatta orientalis and Periplanata americana are

Blatta orientalis :

Brownish-black to black coloured.

20-25 mm, smaller in size.

Less capable of flying.

Forewings are vestigial. Hindwings are absent

.Ootheca is black-coloured

Periplanata americana :

Shining brown-coloured.

35-40 mm, larger in size.

Good capacity of flying.

In both sexes, both pairs of wings are well developed.

Ootheca is grey-coloured.

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Answered by sam0658
4
Periplaneta
1.) There are forty-seven species in the genus Periplaneta, but the most famous is the American cockroach, Periplaneta americana. Oddly enough, American cockroaches are thought to originate in Africa. However, they've been in the Americas since the 1600's.

2.) American cockroaches often infest large or commercial buildings like grocery stores or restaurants, and they can also infest sewers. American cockroaches sometimes do infest homes, but this is unusual. If you see a single American cockroach in your home, don't panic! It may well live in a nearby mulch pile or hollow tree, and may just have wandered into your house.

3.) Adult American cockroaches have wings that extend approximately the length of their body or longer. Male American cockroaches have slightly longer wings than females. A male American cockroach's wings may extend 4 to 8 mm beyond the length of their body. American cockroaches can fly, but they aren't strong fliers.


Blatta
1.)One of the easiest way to tell Blatta orientalis, the oriental cockroach, from the American cockroach is by looking at its wings. Male oriental cockroaches have wings that only extend about ¾ the length of their bodies. Female oriental cockroaches have wings that are even shorter - rudimentary wings that are only short nubs. Neither male nor female oriental cockroaches can fly.

2.) Like American cockroaches, oriental cockroaches are common outdoors. However, oriental cockroaches are common pests in basements, floor drains, and other damp areas in the house.

3.) No one's really sure where oriental cockroaches come from, because they've managed to hitch rides all over the globe. They're usually thought to be from Africa or south Russia.

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