A Review of the Harvestman Genus Metadentobunus (Opiliones: Sclerosomatidae: Gagrellinae) with A Description of A New Species From Taiwan Author Chen, Ssu-Li Department of Life Science, National Chung Hsing University, 250 Kuo Kuang Road, Taichung 402, Taiwan Author Shih, Hsi-Te Department of Life Science, National Chung Hsing University, 250 Kuo Kuang Road, Taichung 402, Taiwan & Research Center for Global Change Biology, National Chung Hsing University, 250 Kuo Kuang Road, Taichung 402, Taiwan text Zoological Studies 2018 2018-12-12 57 57 1 16 journal article 10.6620/ZS.2018.57-57 1810-522X PMC6409488 31966297 13316528 Genus Metadentobunus Roewer, 1915 Metadentobunus Roewer, 1915: 149 ; Roewer 1923: 949 ; Suzuki 1944: 253 ; Roewer 1955: 85 ; Suzuki 1977: 137 ; Crawford 1992: 30 ; Li and Song 1993: 241 . Type species : Metadentobunus formosae Roewer, 1915 , by monotypy. Diagnosis : Abdominal scute with a median spine on second tergite. Pedipalpal tarsus longer than tibia; claw pectinate. Leg II femur with two false articulations. Ocularium with 1 frontal spine on each side. Table 1. Haplotypes of 16S rRNA and COI genes of Metadentobunus garampiensis Suzuki, 1944 , M. brevispinus sp. nov. and outgroups from Taiwan. The numbers behind localities are the collecting localities in figure 7
Species Locality NCHUZOOL Catalog no. Sample size Haplotype of 16S DDBJ Access. no. of 16S Haplotype of COI DDBJ Access. no. of COI
M. garampiensis Kenting National Park, Hengchun, Pingtung [9] 14581 1 Mfg-1 LC433979 Mfg-C1 LC433996
14582 14583 1 1 Mfg-2 Mfg-1 LC433980 LC433979 Mfg-C2 Mfg-C3 LC433997 LC433998
Jhihben Forest Road, Beinan, Taitung [10] 14593 1 Mfg-4 LC433981 Mfg-C4 LC433999
M. brevispinus Tengjhih, Taoyuan, Kaohsiung [11] Sun Moon Lake, Yuchih, Nantou [7] 14598 14585 1 1 Mfg-5 Mdb-1 LC433982 LC433983 Mfg-C5 Mdb -C1 LC434000 LC434001
Sitou, Lugu, Nantou [6] 14586 14587 1 1 Mdb-2 Mdb-3 LC433984 LC433985 Mdb -C2 Mdb -C3 LC434002 LC434003
Huisun Forest Area, Ren-ai, Nantou [8] Furong Waterfall, Guosing, Nantou [2] Aowanda National Forest Recreation Area, Ren-ai, Nantou [4] 14588 14589 14590 1 1 1 Mdb-4 Mdb-5 Mdb-6 LC433986 LC433987 LC433988 Mdb -C4 Mdb -C5 Mdb -C6 LC434004 LC434005 LC434006
Dasyueshan Forest Recreation Area, Heping, Taichung [1] 14591 1 Mdb-7 LC433989 Mdb -C7 LC434007
Tunyuan, Ren-ai, Nantou [3] 14594 1 Mdb-8 LC433990 Mdb -C8 LC434008
Tongfu, Sinyi, Nantou [5] 14596 1 Mdb-9 LC433991 Mdb -C9 LC434009
outgroups Gagrella sp. 1 Dasyueshan Forest Recreation Area, Heping, Taichung 14493 1 Gag-1 LC433992 Gag-C1 LC434010
Psathyropus sp. 1 Sitou, Lugu, Nantou Psathyropus formosa Lianhuachih, Yuchih , Nantou 14494 14495 14496 14497 1 1 1 1 Gag-1 Prf-1 Prf-2 Prf-3 LC433992 LC433993 LC433994 LC433995 Gag-C1 Prf-C1 Prf-C2 Prf-C3 LC434010 LC434011 LC434012 LC434013
© 2018 Academia Sinica, Taiwan Distribution : Taiwan . Remarks : Metadentobunus is an endemic genus to Taiwan . They are often found on the tree trunk, with camouflage coloration similar with the background.
Key to the genus Metadentobunus 1. Pedipalp with inner apophysis on patella ......................... 2 Pedipalp without inner apophysis on patella ....................... ............................. ............................................ M. formosae 2. Frontal margin of ocularium with long sharp-pointed spine ............................. ...................................... M. garampiensis Frontal margin of ocularium with short spine ....................... ............................. ........................... M. brevispinus sp. nov.