Pedal Anomalies in Neobisium carpaticum BEIER and Roncus pannonius CURCIC, DIMITRIJEVIC et KARAMATA(Pseudoscorpiones:Neobisiidae) from Yugoslavia.

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  • ユーゴスラビア産Neobisium carpaticumおよびRoncus pannoniusにおける歩脚の異常(カニムシ目:コケカニムシ科)〔英文〕
  • ユーゴスラビアサン Neobisium carpaticum オヨビ Ronc

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Abstract

Anomalies in the pedal segmentation patterns were studied in Neobisium carpaticum BEIER and Roncus pannonius CURCIC, DIMITRIJEVIC et KARAMATA (Neobisiidae), inhabiting Yugoslavia. A total of 10 abnormal examples were found out of 7, 280 specimens examined. The frequency of the aberrant specimens was variable, depending on the growth stage, sex, and species. In N. carpaticum, the following malformations were noted: partial atrophy, atrophy, and symphysopody; and combinations of different deficiencies [combined atrophy and symphysopody; combined partial division and partial symphysopody; and combined partial atrophy, symphysopody, and schistomely (or heteromorphosis)]. In R. pannonius, however, only symphysopody as well as two combined anomalies (multiple atrophy; and combined atrophy and symphysopody) were found. Teratological variation of the pedal podomeres has been confined only to adults. Additionally, some specific features of the relative distribution of various pedal anomalies are considered. Finally, the probable causes of the origin and development of pedal anomalies in the pseudoscorpions studied have been also discussed.

Journal

  • Acta Arachnologica

    Acta Arachnologica 43 (2), 145-154, 1994

    Arachnological Society of Japan

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