Yichunentulus
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Ordo: Protura
Familia: Acerentomidae
Name
Yichunentulus Yin, 1980 new to RFE – Wikispecies link – Pensoft Profile
- Yichunentulus Yin, 1980: 146-147, 155.
Type species
Yichunentulus yichunensis Yin, 1980.
Diagnosis
Mesonotum and metanotum each with two pairs of anterior setae, abdominal appendages II and III each with two setae, labial palpus with one-branched terminal tuft of setae, with 3 setae and 1 sensillum, foretarsal sensillum t1 baculiform, sensillum b’ absent or present, sensillum a’ located distal to t1, maxillary gland simple and without appendages, sternite VIII with 4/2 setae, striate band on abdominal segment VIII reduced, and sternites II–VI each has 1+1 membranal pores.
Remarks
The genus Yichunentulus Yin, 1980 has only one species described from Heilongjiang, Northeast China (Yin 1980[1]). After compare Baculentulus borealis Nakamura, 2004 with congeners, we find two important characters of this species: presence of one-branched terminal tuft of setae and 3 seate on labial palpus and 4/2 setae on sternite VIII are different to any other species of the genus Baculentulus. On the contrary, those two characters match well with genus Yichunentulus. Two specimens of Baculentulus borealis newly collected from type locality are also studied. We proposed to transfer Baculentulus borealis to the genus Yichunentulus as a new combination Yichunentulus borealis (Nakamura, 2004), comb. n. The three species of the genus Yichunentulus can be distinguished by the following key.
Key to species of genus Yichunentulus Yin, 1980
Taxon Treatment
- Bu, Y; Potapov, M; Yin, W; 2014: Systematic and biogeographical study of Protura (Hexapoda) in Russian Far East: new data on high endemism of the group ZooKeys, 424: 19-57. doi
Other References
- ↑ Yin W (1980) Studies on Chinese Protura: Description of new species and new genera of the family Acerentomidae with discussions on their phylogenetic significance. Contributions from Shanghai Institute of Entomology 1: 135–156. [in Chinese with English summary]
