Metriocampa urumqiensis Chou & Chen, 1980

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

8. - Metriocampa urumqiensis Chou & Chen, 1980

Figs 1 , 2 , 3 , 4 , 5 , 6 , 7

Description.

Body 2.1-4.4 mm length; epicuticle without microdenticles using optical microscope describe; antennae 0.3-0.6 × as long as body with 16-27 antennomeres as long as wide; ventral sensillum small and subcylindrical on third antennomere; pronotum, mesonotum, and metanotum with 3 + 3 (ma, la, lp 3), 2 + 2 (ma, la), 1 + 1 (ma) relatively short bifurcated macrosetae, except the longest lp 3; short clothing setae; marginal setae longer than clothing setae; metathoracic leg 0.3 × as long as body; urotergite VIII with 2 + 2 lp macrosetae; abdominal segment IX with 4 + 4 lp macrosetae; urosternite I with 5 + 5 short bifurcated macrosetae; urosternite II-VII with 4 + 4 short bifurcated macrosetae; appendages of first urosternite short and subcylindrical in females and males, but in males larger appendages bearing a 1 and a 2 glandular setae and male first urosternite has a field with three or four rows of g 1 glandular setae on posterior area; cerci 0.4 × as long as body with apparently eight articles plus basal one, covered with long barbed and long smooth clothing setae.

Habitat.

Upper layers of the soil, among leaves in forest soils.

Distribution.

Endemic in China (Xinjiang, Qinghai, Gansu, Ningxia, Sichuan, and Shaanxi).

References.

Chou and Chen (1980).

Figures

Figure 1. Metriocampa urumqiensis Chou & Chen, 1980 a proximal part of antennae b pronotum, lateral view c habitus d abdominal segment seventh to tenth, lateral view e medial part of a cercus.

Figure 2. Metriocampa urumqiensis Chou & Chen, 1980 a dorsal portion of the third antennomere, with its trichobothria b distal part of apical antennomere with its cupuliform organ c latero-distal part of a medial antennomere, with some gouge sensilla d third antennomeres e medial antennomere.

Figure 3. Metriocampa urumqiensis Chou & Chen, 1980 a head, ventral view b anterior portion of the labium with their labial palps (sétigère plaque) and palpiform processes.

Figure 4. Metriocampa urumqiensis Chou & Chen, 1980 a lateral part of the pronotum b latero-posterior view of the pronotum c detail of rosette-like formation.

Figure 5. Metriocampa urumqiensis Chou & Chen, 1980 a lateral view of pretarsus b frontal view of pretarsus c detail of pretarsus, medial portion of the claws d pretarsus, latero-tergal view.

Figure 6. Metriocampa urumqiensis Chou & Chen, 1980 male specimen a latero-posterior portion of the first urosternite b distal part of the appendage of the first urosternite c medial portion of the appendage of the first urosternite.

Figure 7. Metriocampa urumqiensis Chou & Chen, 1980 a latero-posterior portion of medial urosternite b stylus of a medial urosternite c eversible vesicle of a medial urosternite.