Ricerche Sulla Vegetazione della val Gesso

Abstract

An interesting discovery in the Maritim Alps flora. ARTEMISIA CAMPHORATA Vill. with galls of DIARTHRONOMYIA KIEFFERI Trotter. Its geographical distribution and phytogeographical analysis. — The Author signals the finding, in the Maritim Alps flora, of some stations of an interesting discovery: Artemisia camphorata Vill. with galls of Diarthronomyia (Rhopalomyia) Kiefferi Trotter, and explains the characteristics of this Cecidomyide, (gall-midge).

He exhibits the results obtained through inquiries (investigations) directed to define the geographical area of Diarthronomyia Kiefferi, in reference to that of its host plant, of which the zoocecidium is exclusive.

The author makes also a map of the area and analyses the phytogeographical characte ristics and the mediterranean physiognomy of the new found stations.