tritonymph

tritonymph

[′trīd·ō‚nimf]
(invertebrate zoology)
The third stage of development in certain acarids.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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PORTUGAL: 3 female (DEUA, MNCN, MCNB), 1 tritonymph, 1 deutonymph (DEUA), same locality, 30 December 2009, A.S.P.S.
A tritonymph Sphenochernes camponoti (Beier 1970) (Chernetidae) obtained in phoresy from Fannia dipteran collections in the Northeast region of Brazil (Pernambuco state).
The life cycle of water mites is complex and includes the egg, larva, protonymph, deutonymph, tritonymph, and adult.
The three nymphal instars are termed protonymph, deutonymph, and tritonymph and can be easily recognized by the unique number of trichobothria of each stage [4].
The deutonymph or hypopus is a developmental instar of mites, and in H propus it is one of 5 juvenile stages including the prelarva, larva, protonymph, deutonymph, and tritonymph. (5) The deutonymph differs from the other stages by the absence of functional mouthparts and an alimentary tract.
Stages in the life cycle of Dermatophagoides include egg, larva, protonymph, tritonymph, and adult.
Paratypes: MEXICO: Veracruz: 1 /, same collection data as holotype (CNAN-T1173); 1 [male],1 9,1 deutonymph, 1 tritonymph, same collection data as holotype (CNAN-T1174).
Other material: COLOMBIA: Department of Choco: 1 female tritonymph, Acandei, Capurganae, Vereda Girasoles, 08[degrees]37'N, 77[degrees]21 ' W, forest, 330 m elev., tree agitation, 15:00 hours, 7 October 2007, F.
inquilinus are deposited in the Geneva Natural History Museum, Switzerland (MHNG) (1 [female], 1 [male] and 1 tritonymph), the Instituto de Ciencias Naturales, Universidad Nacional de Colombia, and in the Museo Javeriano de Historia Natural Lorenzo Uribe, Pontificia Universidad Javeriana, Bogota, Colombia (2 [female], 2 [male] , 2 tritonymphs, 4 deutonymphs, and 3 protonymphs).
Nesochernes gracilis norfolkensis Beier 1976: 2 males, 2 females, 1 tritonymph, 1 deutonymph, 1 protonymph from Filmy Fern Walk, 29'01'S, 167[degrees]57'E, Norfolk Island National Park, Norfolk Island, Australia, 30 November 1984, litter under Araucaria heterophylla, TA.
Paratypes: 1 male (CNANT0186), 1 female (CNANT0187) deposited in CNAN, 1 female (CAAMS-PS001), 7 tritonymph, 2 deutonymph, and 1 protonymph, with same data as holotype (CNAN).
Nymphs: Much like adults, but trichobothrial patterns as follows: tritonymph with 14 on fixed finger and 8 on movable finger; deutonymph with 9 on fixed finger and 6 on movable finger; and protonymph with 3 on fixed finger and 1 on movable finger.