What does the Oriental cockroach look like? The Oriental cockroach ( Blatta orientalis ), commonly referred to as a cockroach, reaches a length of up to 3 cm . Its body has a flat, oval shape  and a dark brown to almost black color , which often makes it appear completely black. These insects are characterized by: long, mobile antennae, a hard, chitinous body shell, chewing-type mouthparts. Their agile legs allow them to move quickly, however Oriental cockroaches are unable

What does a human flea look like? The human flea (Pulex irritans)  is a small external parasite of humans and domestic animals. Adult fleas measure 2–3.5 mm  in length (females are larger). To the naked eye, they appear as a dark, flattened dot. When observed closely, you can notice: elongated hind legs that allow them to jump up to 1 metre , a hard chitin shell that protects the body, a piercing–sucking mouthpart used for feeding on blood. Due to their small size and similar

Mrówki są insektami występującymi pod prawie każdą szerokością geograficzną. W samej Polsce możemy spotkać ponad 100 gatunków (źródła podają