Galeruca tanaceti (Linn.) has a summer reproductive diapause followed by autumnal reproductive activities in the same year. A univoltine species, the adults of Galeruca emerge about the first week ...

Specimen number MeI 15 552, a Chrysomelid beetle from Messel, Germany. The colors on the specimen have been preserved (though not perfectly) for 47 million years. A few 40-million-year-old ...

A numeric score is introduced to objectively describe confidence that a field observation of an interaction between a chrysomelid and a plant represents true herbivory. Literature host plant records, ...