The diagram depicts a stonefly larva. Use the key to name the stonefly larva. 1 has two cerci at the end of the abdomen … go to 2 has three cerci at the end of the abdomen … go to 3 2 abdomen is longer than thorax … A thorax is longer than abdomen … B 3 gills can be seen on the thorax … C gills cannot be seen … D
- Aidentified by abdomen longer than thorax
- Bidentified by thorax longer than abdomen
- Cidentified by gills visible on the thorax
- Didentified by gills not visible