CockroachCockroach| Kenya 2011 | Bhutan 1997 | Tuvalu 2001 | Bequia Grenadines of St.Vincent 2011 |
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| Cockroach Cartoblatta sp. (Blattidae) |
Oriental Cockroach Blatta orientalis (Blattidae) |
American Cockroach Periplaneta americana (Blattidae) |
Green Banana Cockroach Panchiora nivea (Blattidae) |
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|---|---|
| Smokybrown Cockroach Periplaneta fuliginosa (Blattidae) (BLATTARIA) |
Smokybrown Cockroach (Child) Periplaneta fuliginosa (Blattidae) (BLATTARIA) |
Since some kinds lived, made the house the place and spread the distribution in the whole world, originally the cockroach which was disliked completely and became a thing is eating the animals and plants which lived in the forest and mainly died from the insect of the Torrid Zone or the subtropical zone. The cockroach which is close has many kinds of brown to dark brown. However, the beautiful kind which wore blueness with metallic luster, and the kind which wore green are also in the Torrid Zone. Although there are many comparatively large-scale kinds and the maximum kind has the length of no less than 11cm, there is the minimum kind only only 2mm. Although many ancestor-forms of a Orthopterida are stopped, there is not little specialization peculiar to a form etc. which became flat at back of belly. The flat body is suitable for entering a narrow crevice. A cockroach is a kind of the old insect of the origin and the fossil is discovered from the second half of Carboniferous period.
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