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Pillbugs and Sow bugs. Classification. DOMAIN - Eukaryotes KINGDOM - Animalia PHYLUM – Arthropod (Crustacean – Sub Phylum) CLASS – Malacostraca ORDER - Isopoda FAMILY – Armadillidiidae GENUS –
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Classification • DOMAIN - Eukaryotes • KINGDOM - Animalia • PHYLUM – Arthropod (Crustacean – Sub Phylum) • CLASS – Malacostraca • ORDER - Isopoda • FAMILY – Armadillidiidae • GENUS – • SPECIES -
Pillbug Natural History • 3800 known species • 12-15 species exist in U.S. all came from Europe in the early 1800’s • At humidy >87% can absorb water from water vapor. • Nocturnal (lose water while foraging) • Born in mother’s pouch with 6 pairs of legs, after first molt have seven pairs and leave • Must molt every 2-3 weeks to grow • Live 2-3 years
Significance • are important decomposers • may occasionally feed on roots, • should not be regarded as pests. • they remove many of the toxic metal ions from the soil.
Appearance (Morphology) • Three body parts: head, thorax, abdomen • One prominent pair of antennae (one inconspicuous pair) • Simple eyes • Seven pairs of legs • Seven separate segments on thorax • Paired appendages at end of abdomen called uropods • Color varies from dark gray to white with or without pattern