insect anatomy. sticker cricket. grig. gryllus campestris. sketch of cricket. cricket for coloring book. hand

acheta anatomy animal antenna background beetle black book bug campestris closeup coloring creative cricket design domesticus doodle drawing element engraving field front grass grasshopper grig gryllus handdrawn hopper icon insect invertebrate isolated label legs locust natural nature nobody outline sign silhouette sing sketch small sticker structure vector white wild wildlife