Cast of characters for Stream Diversity Simulation Pollution Sensitive Species Caddisfly Gilled Snail Mayfly Riffle Beetle Stonefly Water Penny Pollution Less-Sensitive Species Crayfish Cranefly Dobsonfly Dragonfly Sowbug
Pollution Tolerant Species Blackfly Leech Lunged Snail Midge Worm Table 4.
Four non-native species made up 43% of total captured arthropods Armadillium vulgate (pillbug), Porcellio laevis (sowbug
), and Dysdera crocata (sowbug
killer), and Linepithema humile (Argentine ant).
The Socorro sowbug
(Thermosphaeroma thermophilum), an aquatic crustacean that has lost its natural habitat, survives in an abandoned bathhouse in New Mexico (Wilson 1992).
Sometimes referred to as woodgribbles, they are similar to a sowbug
in appearance and are quite small, averaging approximately 1/8 to 1/4 in.
- These are the aquatic relatives of the more familiar terrestrial sowbugs
, or pillbugs.
Or look for a millipede lookalike called a pillbug (also known as a sowbug
or wood louse).
He handpicks snails; diatomaceous earth serves as a snail and sowbug
barrier around lettuce.