Kaszab Zoltán (szerk.): A Magyar Természettudományi Múzeum évkönyve 63. (Budapest 1971)

Kovács, L.: Data to the knowledge of Hungarian Macrolepidoptera VI. Data with respect to migrating and spreading species

Pozsony on the northern bank of the Danube (HRTJBY, 1964), while, towards the south, it crossed our borders at Sopron. I found the first specimen in the collector's (J. GYŐRÉI) material submitted for identification. When told about its being the first evidence of its occurrence in Hungary, GYŐRÉI had very kindly placed the exemplar at my disposal and remarked that he succeeded to capture also other specimens. The next datum evincing the further spreading of the species can be thanked to one of the light traps. This operated at Sopronhorpács, capturing the first speci­men on 10 June, 1959. In the next year (1960), P. TALLÓS found mellinata in his garden at Pápa, about 80 km. SW of Sopron, and J. BARKÓCZI in 1962 at Sümeg, near the Balaton, about 100 km. from Sopron. The subsequent stations of its advance, excepting one case, were all registered by the light traps. Pushing southwards along the western border, the species reached Szombat­hely in 1963. In 1964, it was registered by Keszthely on the southern part of the Balaton, and by Várgesztes in the Mts. Vértes. In 1965, the light trap at Baj near Tata submitted it, and in 1966 simultaneously by Pacsa, less than 20 km. W of the Balaton, and Hegyeshalom near the Austro —Hungarian border in the north­western part of the country. The advance was already well over the Mts. Bakony, when the light trap at Farkasgyepű collected it in 1965. The species reached the environs of Budapest in 1968; Mrs. B. KOZMA observed a specimen in an orchard at Szentendre. In the Southwestern Transdanubia, the light trap at Szentpéterfölde caught it for the first time in 1970. This locality is only 25 km. from the river Mura, our southern frontier. It should be noted that new data were obtained on the spreading of the species in every year during the period 1962—1968 (Map 10). This new member of the Hungarian fauna occupied a territory lying westward of an oblique line drawn from Szentendre through Keszthely to the Mura : a region coinciding with the entire Western Transdanubia Map 10. Expansion of Lygris mellinata F. in Hungary from 1956 till 1970*

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