حجم هذا العرض: 475 × 599 بكسل
الصورة بدقة كاملة (1,412 × 1,780 بكسل، حجم الملف: 1.44 ميجابايت، نوع الملف: image/png)
Caption
The four species of common household roaches
- A, the German roach, or Croton bug, Blattella germanica (length 9/16 inch).
- B, the American cockroach, Periplaneta americana (length 1 3/8 inches).
- C, the Australian cockroach, Periplaneta australasiae (length 1 1/4 inches).
- D, the wingless female of the Oriental roach, Blatta orientalis (length 1 1/8 inches).
- E, the winged male of the Oriental roach (length 1 inch)
Summary
Fig. 49 from Insects, their way and means of living, R. E. Snodgrass. [1]
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This image is a work of a United States Department of Agriculture employee, taken or made during the course of the person's official duties. As a work of the U.S. federal government, the image is in the public domain. |  |
See Category:Snodgrass for the reasoning for using this tag.
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