S. Mahunka szerk.: Folia Entomologica Hungarica 49. (Budapest, 1988)

Holotype ó

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. Cat Ba Island, Vietnam. 17. X. 1986, leg. Oláh singled at a small spring brook. Deposited at the Zoological Department, Hungarian Natural History Museum, Budapest. Right pair of wings mounted as dry microscopic preparation. Caustic potash-treated abdomen and the remaining part of the body are stored in a single selfstanding, airtight vial filled with 70% ethanol. E Fig. 8. Agapetus halong sp. n. - A= male genitalia, lateral, B= dorsal, C= ventral, D-phallic apparatus, lateral, E= fifth and sixth abdominal sternites, lateral REFERENCES KIMMINS, D.E. (1953): Entomological results from the Swedish expedition 1934 to Burma and British India. - Trichoptera (Rhyacophilidae, subfamilies Hydrobiosinae, Glossosomatinae and Agapetinae). - Ark, Zool., 6 (8): 167- 183. KIMMINS, D.E. (1964): On the Trichoptera "f Nepal. - Bull. Brit. Mus. (Nat. Hist. ) Ent.

, j_5 (2): 35-55. MAHUNKA, S. and J. OLÁH (19 86): Hungarian zoological studies in Vietnam. 1. The outline of the research programme and the report of first collecting trip in 1986. - Folia ent. hung., 47 (1-2): 103-107. MATSKÁSI, O., Gy. TOPAL and J. OLÁH (1987): (in preparation) MÉSZÁROS, F., T. VÁSÁRHELYI and J. OLÁH (1987): Report on a collecting trip to Vietnam in 1986. - Folia ent. hung. 48: 265-269. NIELSEN, A. (19 57): A comparative study of the genital segments and their appendages in male Trichoptera. - Biol. Skr. Dan. Vid. Selsk., 8(5): 1-159. OLÁH, J. (1987): Seven new Rhyacophila from Vietnam (Trichoptera, Rhyacophilidae). Folia ent. hung., 48: 141-149. ROSS, H.H. (1956): Evolution and classification of the mountain caddisflies. - University of Illinois Press, Urbana, 213 pp. SCHMID, F. (1959): Trichopteres du Pakistan. - Tijdsch. Ent., 1_02_: 231-253. Author's address: Dr. J. OLÁH Fisheries Research Institute H-5541 Szarvas HUNGARY