S. Mahunka szerk.: Folia Entomologica Hungarica 47/1-2. (Budapest, 1986)

Helioppla sol (Balogh, 1959) Complementary description: Rostrum elongate, nasiform, two moderate incisures and two small tubercles by them visible (Fig. 50. Sensillus (Fig. 8) with 5-7 long branches. Prodorsal margin well chitinized, with some spots (Fig. 9). Basal part of prodorsum with a characteristic, semicircular chitinous thickening. Ratio of prodorsal setae ex <^le <^in<^ ro. All setae very fine. Ten pairs of fine, short niptogastral setae present, two pairs (ps^, psg) of them in posteromarginal position (Fig. 5V All apodemes and epimeral borders well observable, ap. 2 and bo. 2 are not in parallel position (Fig. 6). Epimeres not touching medially. Epimeral surface ornamented by polygonal fields. Epimeral setae well developed, much stronger than notogastral ones. Pedotecta 1 very small, discidium rounded laterally (Fig. 7|). Measurements: length: 248-266 um, width: 128-144 um. Localities: No. 74: 3 specimens.