Etmaria magna Cao & Dietrich 2020, sp. nov.

9. Etmaria magna Cao & Dietrich sp. nov.

Figs 8, 19 e–h

Description. Ground color dark (specimen preserved in ethanol before examined), vertex and face lighter, midline of frontoclypeal area infuscated, eyes dark grey. Crown fore margin parallel to hind margin, coronal suture indistinct; anteclypeus relatively narrow.

Anal tube appendage very slim, located near middle of anal tube.

Boundary between basal and distal pygofer lobes rounded; ventral appendage tubular with furrows, sinuated, only expanded at very base, with rigid setae at base, apex surpassing hind margin of lobe. Subgenital plate with about 4 macrosetae. Style with apical part slim and short, apex slightly curved inwards in dorsal view, pointed and curved in lateral view. Connective with manubrium long and relatively narrow, central lobe with fore margin slightly concave, extended to tip of lateral arms. Aedeagal shaft relatively short, directed dorsad, atrium wide and very long in lateral view, expanded medially in caudal view, mushroom-shaped; dorsal apodeme well developed, lamellate; preatrium elongated, without processes.

Measurement. Male length 5.05 mm.

Material examined. Holotype: ♂, CHINA, Taiwan, Taichung, Dashuishan Forest Rd. km 20, 1250m, 24°15'6"N, 120°54'58"E, 18 vi 2004, sweeping, coll. C.H. Dietrich. [TNMNS].

Etymology. The new specific epithet is derived from Latin adjective “ magnus ” which means large, big, referring to that the large body size of this species.

Diagnosis. The new species is similar to E. dentata sp. nov., but the anal tube appendage is much slimmer, the pygofer ventral appendage is only expanded at the very base, the central lobe of the connective is extended to the tip of the lateral arms, and the aedeagal atrium is mushroom-shaped.