Nienna chukotka sp. nov. holotype. A Part of pro- and mesonotum B part of metanotum C part of tergite I D part of tergite VI E anterior part of prosternum F anterior part of mesosternum G sternite I H part of tergite VII I part of tergite VIII J abdominal leg of segment II K sternite VI L sternite VII M sternite VIII N sternites IX–X O hind margin of sternite XII. Arrows show pores. Scale bars: 20 µm.