Proctophyllodes brevis, Wang & Wang & Su, 2014

Wang, Zi-Ying, Wang, Jin-Jun & Su, Xiao-Hui, 2014, Four new feather mite species of the genus Proctophyllodes Robin (Astigmata: Proctophyllodidae) from China, Zoological Systematics 39 (2), pp. 248-258 : 251-253

publication ID 10.11865/zs20140206

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scientific name

Proctophyllodes brevis

sp. nov.

Proctophyllodes brevis sp. nov. ( Figs 10–14 View Figs 10–12 View Figs 13–14 , 25, 28 View Figs 25–30 )

Holotype male, from Passer montanus (Linnaeus) ( Passeriformes : Passeridae ), Beibei (29°49′N, 106°25′E), Chongqing, China, 17 May 2007, coll. Zi-Ying Wang. Paratypes 1 male and 2 females, same data as holotype; 2 males and 2 females from Passer montanus (Linnaeus) ( Passeriformes : Passeridae ), Huangshan (29°54′N, 117°43′E), Anhui, China, 24 May 2008, coll. Zi-Ying Wang.

Male. Idiosoma length (not include lobar) 276 (276–283), width 172 (167–168). Prodorsal shield greatest length 75 (72–81), greatest width 85 (81–95); distances between scapular setae (se-se) 64 (64–66); lateral margins entire. Setae ve absent. Scapular shields well developed. Setae c 2 in antero-mesal angle of humeral shield. Subhumeral setae c3 lanceolate, 17.2 (14.6–15.8) in length, 4.3 (3.6–4.1) in width. Hysteronotal shield length 166 (163–167), width 94 (91–99) at anterior margin; posterior margin slightly concaved; posterior angles rounded. Interval between prodorsal and hysteronotal shield 40(29–31). Supranal concavity opened from the posterior margin, anterior end extending beyond the midlevel between e1 and e2. Setae h2 expanded at posterior parts, greatest width 9 (9–11). Terminal lamellae oblong, with pennate venation, length of lamellae 86 (80–84), maximal width 43 (37–40), not overlapping. EpimeritesⅠfused into a narrow U with obvious connection, without lateral extensions. Paragenital apodemes absent. Genital arch advanced in size. Genital discs

© Zoological Systematics, 39(2): 248–258 separate. Aedeagus sword-shaped, with heavily sclerotized at the base, 42 (29–37) in length, not beyond setae g. Opisthogastric shield adjoining, in shape of H, bearing setae g, ps3, opisthogastric setae arranged in trapezoidal arrangement. Anal suckers cylindrical, 21(20-17) in length, 16(16–18) in width. Distances between hysteronotal setae: c1-c1 67(57–68), c 1-d1 32(35–37), d1-d2 26(21–33), e1- e1 51(34–46), h1-h1 24(31–36), d2- e1 50(46–59), c2-d2 44(57–63), d2-e2 89(80–90), e1-h1 50(52–54), e2-h2 15(15–17), g-g 9.6(9.0–9.5), ps3-ps3 28(28–29), g-ps3 10(8.9–9.4). Tarsus IV 26(25–27) long, with ventral membrane, seta d near midlevel of this segment. Genual solenidion σ IIIsituated at posterior segment. Length of genual solenidia: σ1 I 30 (29–32), σ III 9 (12–14).

100 μm, 12 = 10 μm.

Female. Length of idiosoma 335–389, width 178–190. Prodorsal shield without lacunae, 91–111 in length, 104–116 in width. Setae ve absent. Distances between scapular setae (se-se) 75–78. Scapular shields well developed. The arrangement of c1 and c2 as in males. Subhumeral setae c3 lanceolate, 15–17 in length, 4.5–6.1 in width. Hysterosoma shield large and roughly rectangular, with lobar region, anterior margin shallowly concaved, greatest length 184–217, width 97–109 at anterior margin. Interval between prodorsal and hysteronotal shield 20–36. Setae h1 on striated area. Without supranal concavity. Opisthosomal lobes slightly attenuate apically, terminal cleft trapezoid shaped, 33–37 in length, 35–46 in width. EpimeritesⅠfused into a narrow U, without lateral extensions. Distance between dorsal setae: c1-c1 70–79, c1-d1 41–49, d1-d2 32–42, e1- e2 33–62, h1-h1 27–32, d2- e1 46–68, c2-d2 65–82, d2-e2 93–115, e1-h1 63–89, e2-h2 33–42. Genual solenidion σ III situated as in male. Length of genual solenidia: σ1 I 31–35, σ III 13–17.

© Zoological Systematics, 39(2): 248–258

Diagnosis. The new species, Proctophyllodes brevis sp. nov., belongs to the pinnatus species group. In all of species of this group, the male pregenital apodeme is absent, the genital sheath supported basally by a strongly sclerotized ring, anal suckers circular; adanal accessory glands are absent, and the opisthogastric setae in trapezoidal arrangement and inserted on connected shields (Atyeo & Braasch, 1966). Within this group, the new species is related to P. troncatus Robin, 1877 from Passer montanus (Linnaeus, 1758) (Passeridae) by having the similar shape of the opisthogastric shield. In males of P. brevis sp. nov., the base of setae h2 are expanded, and the anal suckers are about 17–21 in length and 16–18 in width. In males of P. troncatus , the shape of setae h2 is normal, and the anal suckers are 21 in length and 10 in width. And in females, all type materials of P. brevis sp. nov. have fully developed terminal appendages, whereas P. troncatus rarely has fully developed terminal appendages.

Etymology. The specific name is derived from Latin word, brevis , which refers to the anal suckers in male is short.

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