Metriocampa matsumurae Silvestri, 1931

Sendra, Alberto, Selfa, Jesús, Bu, Yun & Luan, Yun-Xia, 2025, A synopsis of the Campodeidae dipluran fauna from China (Arthropoda, Hexapoda) with a taxonomic key, ZooKeys 1239, pp. 147-181 : 147-181

5. - Metriocampa matsumurae Silvestri, 1931

Description.

Body 3.5 mm length; epicuticle smooth under optical microscope; short and thin clothing setae; antennae 0.4 × as long as body with 19-22 antennomeres as long as wide; not able to observe the third antennomere sensillum due to the poor condition of the specimen observed; pronotum with 2 + 2 (ma, lp 3), and mesonotum with 1 + 1 (ma) relatively short macrosetae, except the longest lp 3; short clothing setae; marginal setae longer than clothing setae; metathoracic leg 0.4 × as long as body; urotergite VIII with 2 + 2 lp macrosetae; abdominal segment IX with 4 + 4 lp macrosetae; all urotergal macrosetae long and barbed; urosternite I with 5 + 5 short macrosetae with few distal barbs; urosternite II-VII with 4 + 4 short macrosetae bearing few distal barbs; appendages of first urosternite short and subcylindrical in females and much larger in males; first urosternite in males bearing a field of g 1 glandular setae on posterior position; cerci as longer as the body length with 12 primary articles plus basal one, covered with long barbed macrosetae and clothing setae.

Habitat.

Deep layers in soil, probably an endogean species.

Distribution.

Eastern Asia: China (Beijing and Shandong), Korea, and Japan.

References.

Silvestri (1931).