Mirollia hexapinna Ingrisch, 1998

Wang, Gang, Wang, Hai-Jian & Shi, Fu-Ming, 2015, Remarks of the genus Mirollia (Orthoptera: Tettigoniidae: Phaneropterinae) from China, Zootaxa 4021 (2), pp. 307-333 : 313-314

10. Mirollia hexapinna Ingrisch, 1998 , new record for China

( Figures 2 D, 3I, 8J–L, 10A–B, 11I)

Mirollia hexapinna Ingrisch 1998 , Ent. Zeitschr. 108(3): 89.

Material examined. 1 male, Nonggang, Longzhou, Guangxi, 27 Jul. 2011, 2 males and 1 female, Shanlian, Longzhou, Guangxi, 1 Aug. 2011, coll. Xun Bian.

Redescription. Male. Stridulatory area of left tegmen oval, 5.21 mm long, 2.92 mm wide ( Fig. 10 A); stridulatory file on underside of left tegmen concave and curved; 1.43 mm long; teeth slightly dense in basal fifth; with 120–124 teeth ( Figs. 3 I, 11I); mirror long oval, 5.57 mm long, 2.98 mm wide ( Fig. 10 B). Tenth abdominal tergite with posterior margin concave; epiproct small, triangular, apex rounded; cerci long, surpassing apex of subgenital plate ( Fig. 8 J); baso-interal side expanded, posteriorly narrowing; strongly curved inwards in apical third; apex with a wide, slightly curved, sclerotized tooth ( Fig. 8 L). Phallus with three pairs of sclerites: lateral sclerites wide, margins sclerotized and denticulate, medial sclerites with a pair of dorsal projections denticulate and a pair of ventral projections sclerotized. Subgenital plate curved dorsally in middle, lateral carinae distinct on ventral surface, basal part broad, medial area narrow and apical part widened, posterior margin excised widely, bottom of excision nearly straight, apico-lateral projections narrow ( Fig. 8 K).

Measurements (mm). Body: male 12.5–15.2, female 16.0; body with wings: male 12.8–13.1, female 30.0; pronotum: male 3.6–3.8, female 3.4; tegmen length: male 21.0–23.7, female 24.0; tegmen width: male 4.4–4.7, female 4.8; hind wing: male 24.8–25.0, female 26.5; profemur: male 3.2–3.8, female 3.4; mesofemur: male 4.6– 4.8, female 4.4; postfemur: male 10.7–11.0, female 9.9; ovipositor 5.5.

Distribution. China (Guangxi); Thailand.

Figures

FIGURE 2. Habitus lateral view of Mirollia species: A. M. multidentatus (Holotype); B. M. deficientis (female); C. M. maculosus sp. nov.; D. M. hexapinna (from Sanlian, Longzhou, Guangxi); E. M. amplecta sp. nov.; F. M. unispina sp. nov.; G. M. petiolulata sp. nov.; H. M. lanceolata.

FIGURE 3. Stridulatory file on underside of male left tegmen of Mirollia species: A. M. maculosus sp. nov.; B. M. obscuripennis (from Jianfengling, Ledong, Hainan); C. M. hainani (from Bawanglin, Hainan); D. M. composita (from Xishuangbanna, Yunnan); E. M. petiolulata sp. nov.; F. M. bispina (from Libo, Guizhou); G. M. terminalis sp. nov. (from Tian’e, Guangxi); H. M. caligata (from Laiyanghe, Pu’er, Yunnan); I. M. hexapinna (from Longzhou, Guangxi); J. M. acutilobata sp. nov.; K. M. bispinosa (from Baishaogou, Suiyang, Guizhou).

FIGURE 8. Abdominal apex, cerci, subgenital plate and ovipositor of Mirollia species: A – D. M. caligata; E – I. M. deficientis (H – I. Female); J – L. M. hexapinna. A, E, J. male abdominal apex in lateral view; C, F, I, K. apex of subgenital plate in apical view; D, G, L. apex of cercus in apical view; B. abdominal apex in dorsal view; H. ovipositor in lateral view.

FIGURE 10. Male stridulatory area of left tegmen and mirror of right tegmen of Mirollia species: A – B. M. hexapinna; C – D. M. hainani; E – F. M. multidentatus; G – H. M. maculosus sp. nov.; I – J. M. caligata; K – L. M. obscuripennis; M – N. M. amplecta sp. nov.; O – P. M. unispina sp. nov.; Q. M. lanceolata (stridulatory area).