S. Mahunka szerk.: Folia Entomologica Hungarica 57. (Budapest, 1996)

Figs 4-14. Larval antennae of Neuroptera. — 4: Rhone fasca Newman (Ithonidae), fifth instar, 5-6: Sisyra fuscata (Fabricius) (Sisyridae), third instar, 7: Nailachius krooni Minter (Dilaridae), second instar, 8: Osmylus fulvicephalus (Scopoli) (Osmylidae), third instar, 9-10: Mallada sp. (Chrysopidae), third instar, 11-12: Psychopsis sp. (Psychopsidae), second instar, 13-14: Acanthaclisis sp. (Myrmeleontidae), third instar, a = apical part, b = basal part, m = middle part, sa = subapical part. Fig. 4 after Gepp (1984), Figs 5-6 after Rousseau (1921), Fig. 7 after Minter (1982) HEMEROBIOIDEA In the family Polystoechotidae the basic structure of FEIG is the same, as in Ithonidae. The paired spermatheca (Fig. 3) may be investigated only after boiling in 10% KOH for a longer time than usual (at least for 10 minutes). Otherwise this organ remains inside of a structure with leather-like outer surface. This structure was regarded as an