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- Publisher
- Taylor & Francis
- Copyright
- © 1968 Société entomologique de France
- ISSN
- 2168-6351
- eISSN
- 0037-9271
- DOI
- 10.1080/21686351.1968.12278057
- Publisher site
- See Article on Publisher Site
Abstract
Summary The pigmy mangold beetles have three ways of moving about, according to temperature and season: 1° They walk on the ground from the beginning of January until the end of December, if temperature reaches at least 4 °C and if the relative humidity of the air is high enough. 2° They take short diurnal flights from the beginning of May until the middle of June, when temperature is above 12 °C in case of sunny weather and above 14 °C in case of cloudy weather. 3° Crepuscular flights take place between the middle of May and the beginning of August, when temperature reaches at least 18 °C at 20h-30 G.M.T. and when the wind is low.
Journal
Annales de la Société entomologique de France (N S ) – Taylor & Francis
Published: Jan 31, 1968