W. -q. Xue, Liang, C. -c., and Chen, H. -w., ?Studies on calypterate flies from the Changbai Mountains, China (Insecta: Diptera)?, in Abstract volume. Second International Congress of Dipterology, August 27 - September 1, 1990, Bratislava, Czechoslovakia, I.  Országh, Ed. Submitted, p. 266.

Y. G.  Verves, ?The system of Sarcophagidae of the world?, in Abstract volume. Second International Congress of Dipterology, August 27 - September 1, 1990, Bratislava, Czechoslovakia, I.  Országh, Ed. Bratislava: , Submitted, p. 253.

D.  Kaul and Agrawal, U. R., ?Nucleolus and nucleolar organizer region in polytene chromosomes of Parasarcophaga (Sarcophagidae: Diptera)?, in Abstract volume. Second International Congress of Dipterology, August 27 - September 1, 1990, Bratislava, Czechoslovakia, I.  Országh, Ed. Submitted, p. 107.

D. F.  Gross, ?Species composition and bionomics of Diptera associated with horse droppings?, in Abstract volume. 2nd International Congress of Dipterology, August 27 - September 1, 1990, Bratislava, Czechoslovakia, I.  Országh, Ed. Submitted, p. 300.

M. L.  Goff, ?Effects of cocaine and heroin in decomposing tissues on rates of development of Diptera larvae?, in Abstract volume. Second International Congress of Dipterology, August 27 - September 1, 1990, Bratislava, Czechoslovakia, I.  Országh, Ed. Submitted, p. 71.

S.  Gaponov and Khitzova, L., ?The comparative eggs morphology of Calliphoridae, Sarcophagidae, Tachinidae, Rhinophoridae?, in Abstract volume. Second International Congress of Dipterology, August 27 - September 1, 1990, Bratislava, Czechoslovakia, I.  Országh, Ed. Submitted, p. 66.

E. B.  Vinogradova, ?Some tendencies to the diapause in laboratory stocks of the flies?, in Abstract volume. Second International Congress of Dipterology, August 27 - September 1, 1990, Bratislava, Czechoslovakia, I.  Országh, Ed. Submitted, p. 254.

D.  Teschner, ?Brachycera in a nature reserve (winter aspect)?, in Abstract volume. Second International Congress of Dipterology, August 27 - September 1, 1990, Bratislava, Czechoslovakia, I.  Országh, Ed. Bratislava: , Submitted, pp. 236 - 237.

T.  Pape, ?Phylogeny of the Tachinidae family-group?, in Abstract volume. Second International Congress of Dipterology, August 27 - September 1, 1990, Bratislava, Czechoslovakia, I.  Országh, Ed. Submitted, p. 174.

J.  Zuska, ?Do synanthropic Diptera differ from other synanthropes??, in Proceedings of the Second International Congress of Dipterology, Bratislava 1990, L.  Weismann, Országh, I., and Pont, A. C., Eds. The Hague, The Netherlands: SPB Academic Publishing bv, Submitted, pp. 351 - 364.