Francesco Saverio Gianotti

Structure and meaning of the ≪G. P. Moretti≫ trichopterological collection

Abstract 28 June 1989 to 20 Dicember 1990: a hundred years of collecting italian Trichopteran fauna. This work arranges the ≪G.P. Moretti collection≫ that includes 14341 regularly labelled specimens derived from 3922 sampling days in the peninsula and on the islands (Sardinia, Sicily, Caparaia and Elba). The most part (99.6%) of the samples were determined by G.P. Moretti and by other taxonomists (0.4%). The collection comprises larvae, pupae, adults and their esuviae dipped in 80% alcohol and also several dry specimens and some anatomical pieces fixed on slides. Samplings wer done mostly in lotic ecosystems (3077) but also stagnant waters (539) and other different habitat (306) were widely investigated. On the whole the collection presents 311 species and 26 subspecies including 31 species and 15 subspecies all new to science. A different and significative presenc of species is clearly evident in the 22 territories sampled. The specific composition of the italian subtroglophil aphiletic Trichoptera is we...

Apporti di « carico biologico » attraverso la nuova adduzione di acque al Lago Trasimeno

Summary The Author continuing an erlier pubblication (Moretti) regarding the first steps in the colonization of the Anguillara canal, an artificial tributary of lake Trasimeno, supplies some indication of complement. Further he schemes and discusses with the secondary aim of providing a hypothesis of work, the aspects, noted to dale, of the « carico biologico » carried from the canal to the lake. He makes as well deductions as to the possible future of the amount of animal and vegetable quota in the « carico biologico » in the Iotic-lenitic type water system constituted by Lake Trasimeno and Anguillara canal, when the hydraulic works will be finished.