Arrhopalites minutus Yosii, 1970: 17­18

Zeppelini, Douglas, 2004, The genus Arrhopalites (Collembola, Arrhopalitidae) in Asia, with the description of two new Japanese species of Yosiis collection, Zootaxa 430 (1), pp. 1-26 : 6-7

publication ID

https://doi.org/ 10.11646/zootaxa.430.1.1

publication LSID

lsid:zoobank.org:pub:AD6E1E67-2826-4267-A7F4-D8045CF7EC65

DOI

https://doi.org/10.5281/zenodo.5029707

persistent identifier

https://treatment.plazi.org/id/03EDEE28-521F-6F51-FE9E-F934FD1725AA

treatment provided by

Felipe

scientific name

Arrhopalites minutus Yosii, 1970: 17­18
status

 

Arrhopalites minutus Yosii, 1970: 17­18 , fig. 11

Material examined: holotype ♀, 13­viii­1967, JAPAN, Nagano, Shigakogen , R . Yosii leg. 1 paratype ♀, 12­viii­1967. JAPAN, Nagano, Mt. Shiga. Yosii leg., MHN .

Caecus­group ( Fig. 6 View FIGURE 6 , A­J). Body setae as in figure C. Antennae of holotype ~ 2X as long as the cephalic diagonal. Ant. IV undivided, apex with a capitate sense rod. Ant. III without basal swelling; sense organ (Fig. B) with 2 parallel sense rods in a single shallow pit; seta Aai basally swollen, and acuminate; Api slender and acuminate Ape bristle­like; Ae, Ap and Ai normal elongate setae. 1+1 eyes, pigment absent. Dorsal cephalic setae A3, L1­2 and IL1­3 spinelike (Fig. I). Metatrochanteral organ (seta D2) elongate (Fig. F). All ungues with an inner tooth, no tunica. All unguiculi with corner tooth, and apical filaments exceeding ungues tips (Figs. J, a­c). Corpus tenaculum with two setae (Fig. G). Dens with 5 dorsal E setae, E1­4 spinelike; L1­3 spinelike, L4 absent; D1­2 and Id1­4 present (Fig. D); 5 ventral setae rows (3,2,1,1,1), medial ve1 spinelike (Fig. D). Mucro narrow, gutterlike, both edges serrate, narrowed near to the middle (Fig. E). Anal valve with small cuticular spines, 2+ 2 in upper and 1+ 1 in ventral flaps; setae C1­C8, but C7, lamellate and swollen basally, chaetotaxy (Fig. H). Female subanal appendage rod like, flattened with serrate apex.

Biogeographic zone 3a.

Remarks: This species can be identified by the undivided Ant. IV and the female subanal appendages, it is closely related to A. nivalis and can be distinguished by the dental ve5 seta that is lacking in A. nivalis .

R

Departamento de Geologia, Universidad de Chile

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