Comprehensive Description

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Comprehensive Description

Diplurans are small, whitish hexapods that are found in damp places in soil, leaf litter, under dead wood, and in caves (Borror, Triplehorn, and Johnson 1989, Grimaldi & Engel 2005). The representatives of most species are less than 5 mm long. They have tracheae but lack eyes, wings, or Malpighian tubules. They have chewing mouthparts, which are withdrawn into the head, and their mandibles have a single articulation. The abdomen is 11-segmented, but the the tenth and eleventh segment fuse in the embryo before hatching, so it appears that there are only 10 segments. The abdomen bears six or seven pairs of simple appendages (styli), and there are two caudal cerci. Fertilization is indirect, and there are no external genitalia. Spermatophores are deposited and received via a simple gonopore on the 9th segment (Brusca & Brusca 2003, Grimaldi & Engel 2005).


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© Schulz, Katja

Source: EOL Rapid Response Team


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