Abstract
Morphology of juvenile stages and ontogeny of Damaeus onustus C. L. Koch, 1844, Damaeus clavipes (Hermann, 1804) and Kunstidamaeus tecticola (Michael, 1888) was investigated. The juveniles of these species differ mainly in body shape and size, and shape of some setae on the gastronotum and legs. The nymphs of all species lose centrodorsal setae of the d-series, and carry the exuviae of previous instars, but D. onustus carries also compact humus mass adhering to exuviae, D. clavipes a lot of loose debris, while K. tecticola usually only exuviae. The kind of camouflage is partly determined by the shape of gastronotal setae; in D. onustus these setae are curved ventrally, in D. clavipes are raised, while in K. tecticola are raised, and strongly curved medial. The nymphs of these species, as the nymphs of all other known Damaeidae, have gastronotal cornicle, which connects the exuviae of previous instars to the gastronotum. The cornicle of particular species differs in shape and location on the gastronotum; in some species is located anteromedial to setae la, in the other between setae lm, and in the other yet between setae lp or h 3 . The adults of these species differ mainly in body size, presence and shape of cuticular apophyses on the body, length of some setae on the prodorsum and notogaster, and the number of setae on legs, including dorsal seta d on genua I–III and tibiae I–IV.References
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