Kaszab Zoltán (szerk.): A Magyar Természettudományi Múzeum évkönyve 77. (Budapest 1985)

Steinmann, H.: A revision of the genus Chaetolabia Brindle, 1972 (Dermaptera, Labiidae)

Figs 6-10. 6 = Holotype genital armature of Chaetolabis socculata sp. n.

—7 = Holotype ultimate tergite and forceps of Ch. nebulosa sp. n., and 8 = ditto, holotype genital armature.

—9 = Holotype ultimate tergite and forceps of Ch. venusta sp. n., and 10 = ditto, holotype genital armature (Original) Chaetolabia venusta sp. n. (Figs 9-10) Male general colour reddish yellow; antennae and legs yellow, tegmina and wings shaded with brownish colour. Cuticle finely punctured and pubescent, body with long setae.

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H e a d longer than broad; tumid; postfrontal and coronal sutures visible; lateral margins with posterolateral angles rounded, posterior margin deeply concave. Eyes comparatively large.—

A n t e n n a e 12-jointed; first joint long, but shorter than distance between antennái bases; second quadrate, third joint slightly longer than fourth.

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P r o n o t u m weakly longer than broad; lateral margins straight and widened posteriorly; posterior margin convex; median longitudinal furrow well marked. Tegmina and wings well developed.

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A b d o m e n depressed, more or less parallel-sided except at base; ultimate tergite transverse, simple, posterior margin insinuate.

—Pygidium longer than broad, bifid apically. Each branch of forceps (Fig. 9) arcuate, with very long yellow setae, ventral inner margin with two small teeth.

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G e n i t a 1 i a (Fig. 10) large, central parameral plate broad; virga within genital lobe short and associated with a very large sclerotized area; external paramere similar to Ch. nebulosa sp. n., but shorter, and apex elongated.

—-Female similar to male, but forceps straight, branches trigonal in cross-section basally and medially, cylindrical apically; inner ventral edge with a smaller tooth near base and a crenulated section medially.

— Length of body with forceps in both sexes : 11-13 mm. Holotype male: Fiji, Ovalau, Wainiloka, IX. 28, 37, JM Valentine, gen. prep. No. 850, det. Dr. H. Steinmann, and paratypes females, 2 ex. Female: Fiji, Viti Levu, Yayu, nr. Nandarivatu, 690 m, V1I-4-1958, under bark, Borys Malkin Collector, Bishop Museum, and female: Fiji, Vitilevu, Korovou, Tailevu, VIII-17-37, JM Valentine Collector (deposited in the Bishop Museum, Honolulu, Hawaii, USA).

—Par at y pe male: Fiji, Viti Levu, Mt. Victoria, trail from Navai, 660-900 m, VII-2-1958, Borys Malkin Collector (deposited in the Hungarian Natural History Museum, Budapest).