Ferocious hellgrammites! Everything you need to know about the larva of the Dobsonfly!
16:52
Dobsonfly Larvae - Hellgammites 01
10:08
Everything you need to know about Ring-necked snakes! (Diadophis punctuatus)
3:26
Dobsonfly facts: also known as hellgrammites! | Animal Fact Files
8:44
The ULTIMATE Fishable Realistic Damselfly Larva Fly (Tying Tutorial)
4:53
Dobson Fly: monster insect!
4:32
Aquatic Insects of the Middle River
20:26
Hellgrammite Bites Fred Trost. This particular time the bait wins!
23:57