TY - JOUR JF - Acarologia T1 - Observations on the species Cosmogneta kargi Grandjean 1963: protonymph and tritonymph. In addition to the study of gnathosoma VL - 17 IS - 2 SP - 346 EP - 363 PY - 1975 SN - 0044-586X SN - 2107-7207 PB - Les Amis d'Acarologia AU - Lions, J.C. UR - https://www1.montpellier.inrae.fr/CBGP/acarologia/article.php?id=3129 DA - 1975-12-15 KW - Acari KW - Cosmogneta kargi KW - head KW - infracapitulum KW - stenarthry KW - gnathosoma KW - adult KW - developmental disorders KW - nymph AB - Observations sur l espece Cosmogneta kargi Grandjean 1963: la protonymphe et la tritonymphe. Complements a l etude du gnathosoma. A couple of immature stases (protonymph and tritonymph) of the species Cosmogneta kargi known only in the adult stase, are discribed. A study about the gnathosoma of the adult and its development is achieved. A case of stenarthry quite particular and exeptional in the infracapitul of a tritonymph is expounded. This discovery states important problems of an ontogenetic and phylogenetic nature. ER -