Metriocampa packardi Silvestri, 1912

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

6. - Metriocampa packardi Silvestri, 1912

Description.

Body 2.2-4.3 mm (adults) and 1.5-2.0 mm (juveniles) length; epicuticle smooth under optical microscope; antennae 0.4 × as long as body with 18-25 antennomeres as long as wide; bacilliform sensillum on sternal third antennomere; pronotum with 2 + 2 (ma, lp 3) barbed macrosetae; short clothing setae; marginal setae longer than clothing setae; metathoracic leg 0.3 × as long as body; no dorsal femoral macrosetae nor sternal tibial macrosetae; urotergite VIII 2 + 2 lp barbed macrosetae, abdominal segment IX with 4 + 4 lp barbed macrosetae; urosternite I with 4 + 4-5 + 5 short macrosetae with few distal barbs; urosternite II-VII with 4 + 4 short macrosetae with few distal barbs; appendages of first urosternite short and subcylindrical in females and males enlarged up globous in males with a 1 and a 2 glandular setae; first urosternite in males bearing a field of g 1 glandular setae on posterior position; cerci 0.8 × as long as body length with up to 20 articles plus basal one, covered with long barbed macrosetae and clothing setae.

Habitat.

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

Distribution.

Holarctic realm, including China (Jilin) and North America.

References.

Silvestri (1911, 1933 a); Condé and Thomas (1957); Bareth and Condé (1958).