Riffle Beetles Larvae and Adult
Riffle Beetles |
How to make the ID: pointed at both ends with a fuzzy mass at one end, torpedo-shaped. The adult is aquatic, looks like a beetle.
Its Color: Larvae is grayish. Adult is black.
How it reproduces: deposits eggs on plant materials under water.
Metamorphosis: Complete
Its food: diatoms and algae
Indicator: ample oxygen supply, fast moving water.
Size: less than 1/2 inch.