Fig. 4

Hyalinoecia robusta, a ZMBN 29500, maxillary apparatus; b ZMBN 29500, dorsal papillae; c the same, elongated spermatozoa inside papillae; d, e ZMBN 29500, simple falcigers from chaetiger 1; f ZMBN 91392, intrafascicular bidentate hooks from midbody; g the same, pectinate chaetae from midbody; h, i the same, enlarged pectinate chaetae from midbody. Mc – maxillary carriers; MI–MV – maxillary plates.  Scale bars: a, b—200 µm; c, h, i—10 µm; d, e, g—20 µm; f—100 µm