Diptilomiopus aralioidus, Huang, Kun-Wei, 2006

Huang, Kun-Wei, 2006, Eriophyoid mites (Acari: Eriophyoidea) on Trochodendron aralioides (Trochodendraceae) from Taiwan, Zootaxa 1141, pp. 63-68 : 67-68

Diptilomiopus aralioidus sp. nov. ( Fig. 3 )

Female: Body fusiform, 188 long, shield 35 long, 67 wide, shield lobe present, shield design with a network of cells, with a tier of 12 cells along anterolateral shield margin, 5 cells occurring in middle, 2 cells on rear of shield; scapular tubercles present, set ahead of rear shield margin, Dt­Dt 26, setae absent; leg segment genua absent from both legs, fore tibial and fore and hind femoral setae absent; coxal area smooth; 1st coxal tubercle and setae absent, 2nd coxal setae (1a) 13 long, Ct2­Ct2 9 apart, 3rd coxal setae (2a) 21 long, Ct3­Ct3 28 apart, Ct2\CT3 19, Ct2­Ct3 12; claw ending as knob; empodium divided, 5 rayed.

Opisthosoma: arched, dorsal annuli with about 51 annuli, first 3 dorsal annuli 7 long; ventral annuli with about 68 microtuberculate annuli; lateral tubercle and setae absent, 1st ventral setae (d) 9 long, Vt1­Vt1 45 apart; Vt1\Vt2 53, Vt1­Vt2 41; 2nd ventral setae (e) 7 long; Vt2­Vt2 25 apart, Vt2\Vt3 52, Vt2­Vt3 45; 3rd ventral setae (f) 19 long, Vt3­Vt3 28 apart; accessory setae (h1) present.

Epigynium: 27 wide, 19 long, smooth, genital setae (3a) 6 long, Gt­Gt 20 apart.

Male: 169 long, shield 32 long, 66 wide, Dt­Dt 20; genitalia 18 wide, 8 long, setae 6 long, Gt­Gt 18 apart.

Type data: Holotype female, NANTOU: Renai, 16­Apr.­2003, K. W.Huang; ex Trochodendron aralioides S. et Z. ( Trochodendraceae ). (deposited at NMNS).

Paratypes, 13 females, 3 males data same as for holotype; 2 females, TAICHUNG, Hoping, 11­June­1988; 5 females, NANTOU: Renai, 29­Aug.­1990, K. W. Huang; 6 females, NANTOU:Renai, 25­Jan.­1991, K. W. Huang; 2 females, HUALIEN:Sioulin, 29­ Jan.­1991, K. W. Huang; 2 females, TAIPEI: Yangmingshan, 22­Jan.­1998, K. W. Huang; 3 females, KAOHSIUNG: Taoyuan, 2005­Apr.­2005; 2 females, TAOYUAN: Fushing, 6­ June­2005.

Relation to host: A vagrant on the lower leaf surface. No apparent damage was observed.

Note: This new species is close to D. formosanus Huang, 2005 but differs in the presence of the scapular tubercle, and the 5­rayed empodium.

Figures

FIGURE 3. Diptilomiopus aralioidus sp. nov. (Ψ) A, Dorsal view; B, Legs and genital region, ventral view; C, Anterior area, lateral view; D, Empodium. (scale A, B = 50 m; C = 40 m; D = 15 m).