1 .mayfly larva with 7 pairs of tracheal gills 2.tracheal system of the larva of agrion - 幼蟲 幅插畫檔、美工圖案、卡通及圖標
abraxas grossulariata is a moth of the family geometridae, native to the palearctic realm and north america. its distinctive speckled coloration has given it a common name of magpie moth - 幼蟲 幅插畫檔、美工圖案、卡通及圖標
boy in a garden watching an insect with a magnifying glass and his mother reading a magazine and his father pushing a wheelbarrow - 幼蟲 幅插畫檔、美工圖案、卡通及圖標
