IRScNB_P5535_025214X_39-part-1.pdf
Verlinden, L. & Decleer, K. 1987.
The Hoverflies (Diptera, Syrphidae) of Belgium and their faunistics: Frequency, distribution, phenology.
Vol. 39
irscnb_p5535_025214x_39-part-1-red.pdf — PDF document, 10.26 MB (10760013 bytes)