Class Symphyla
Class Symphyla
Symphyla (Gr. sym, together, + phylon, tribe) are small (2 to 10 mm) and have centipede-like bodies (Figure 20-3B). They live in humus, leaf mold, and debris. Scutigerella (L. dim. of Scutigera) are often pests on vegetables and flowers, particularly in greenhouses. They are soft bodied, with 14 segments, 12 of which bear legs and one a pair of spinnerets. The antennae are long and unbranched. Only 160 species have been described.
Symphylans are eyeless but have sensory pits at the bases of the antennae. The tracheal system is limited to a pair of spiracles on the head and tracheal tubes to anterior segments only.
Symphyla (Gr. sym, together, + phylon, tribe) are small (2 to 10 mm) and have centipede-like bodies (Figure 20-3B). They live in humus, leaf mold, and debris. Scutigerella (L. dim. of Scutigera) are often pests on vegetables and flowers, particularly in greenhouses. They are soft bodied, with 14 segments, 12 of which bear legs and one a pair of spinnerets. The antennae are long and unbranched. Only 160 species have been described.
Symphylans are eyeless but have sensory pits at the bases of the antennae. The tracheal system is limited to a pair of spiracles on the head and tracheal tubes to anterior segments only.
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