Manuscript
Manuscripts should be submitted in MS Word for Windows by e-mail or on CD-R. The sequence should be: (1)Title, (2)Author(s), (3)Author(s) affiliation, (4)Abstract, (5)Key words, (6)Introduction, (7)Materials and methods, (8)Results (or Results and discussion), (9)Discussion (or Discussion and conclusions), (10)Conclusions, (11)Acknowledgements, (12)References, (13)Author(s)’ address(es) (corresponding Author’s e-mail included), (14)Table and figure legends, (15)Table(s), (16)Figure(s). Two copies of the complete text should be sent to the address given below.

Tables
Tables should be provided on separate pages and numbered.

Figures
To lettering use Arial font. Black and white figures can be reproduced to single column (width 80 mm) or full page (width 166 mm). Drawings and morphological illustrations must include a scale bar. Colour photographs and plates will be published by special arrangements with the editor.

References cited
In the text, refer to author(s) surnames(s) and year of publication. When there are more than two authors, give the first author surname followed by et al.; references cited together should be arranged chronologically. In the reference list, the references must be cited in alphabetical and chronological order for one author or more than two authors; in alphabetical order by surname of the second author in case of two authors.
Journal titles should be given in full. We give here some examples for the citation:

CAMPADELLI G., 1997.- Cenni sulla biologia di Vibrissina turrita Meigen (Dipt. Tachinidae) sull'ospite Arge ochropus Gmel. (Hym. Argidae).- Bollettino dell’Istituto di Entomologia "Guido Grandi" dell’Università degli Studi di Bologna, 51: 161-170.
CAMPADELLI G., CRUDELE G., 1994.- Alcune osservazioni sulla biologia di Pyrochroa coccinea L. (Col. Pyrochroidae).- Informatore Fitopatologico, 44 (9): 35-37.
CAMPADELLI G., CIANFICCONI F., MORETTI G. P., 1990.- Nuovi reperti di Tricotteri nell'appennino Tosco-Romagnolo.- Rivista di Idrobiologia, 29 (2): 547-561.
CHAPMAN R. F., 1998.- The Insect: Structure and Function.- Cambridge University Press, Cambridge, UK.
CRONIN J. T., HAYES J. L., TURCHIN P., 2000.- Evaluation of traps used to monitor southern pine beetle aerial populations and sex ratios.- Agricultural and Forest Entomology, 2 (1): 69-76.
KNERER G., 1993.- Life history diversity in Sawflies, pp. 33-59. In: Sawfly life history adaptations to woody plants (WAGNER M., RAFFA K. F., Eds).- Academic Press Inc., San Diego, California.
SWAIN T., 1977.- The effect of plant secondary products on insect plant co-evolution, pp. 249-256. In: Proceedings of XV International Congress of Entomology, (PACKER J., WHITE D., Eds) Washington D. C., 19-27 August 1976. Entomological Society of America, College Park, MD.

Review
Manuscripts will be reviewed by appropriate referees. Acceptance or rejection, however, is the decision of the Editor. Authors are responsible for the content of their article.

Proofs and reprints
Proofs will be sent to the corresponding author for correction. Authors will be charged for excessive corrections. Reprints may be ordered using the form supplied with the proofs.