This book provides the first monograph of Coccinellidae. Although the group finds inclusion
both in Clausen's (1940)" Entomophagous Insects" and in Balduf's (1935)" Entomophagous …

The increasing interest in the study of predaceous coccinellids is un doubtedly due to the
harmful side effects of toxic chemicals and the inten siveness of research into the biological …

The object of the following pages is to give a short outline or sketch of every species
occurring within the limits of the United States accessible to me at the present time, and also …

HAVING spent many happy hours with the lamented author in the examination of the
beautiful forms of which this book treats, I have felt it a pleasant thing to be associated, even …

Ladybugs, ladybirds, or, preferably, lady beetles have been respected through the centuries,
as the vernacular indicates, for the term" lady" is in reference to biblical Mother Mary …

Coccinellids have been very actively studied in the course of the twenty three years since"
Biology of Coccinellidae" was published. The great amount of new, and often very important …

The 57 genera and 475 species of Coccinellidae occurring in America north of Mexico are
treated taxonomically. Keys to all taxa, descriptions of the higher taxa, species diagnoses …

The genus Stethorus Weise is of special interest on account of its cosmopolitan distribution
and the habit of its species of feeding mainly on mites, some of which are pests of crops …

Although our knowledge in this field somewhat progressed in the last 25 years, mostly as far
as parasites of coccinellids are concerned, our conclusion (Hodek 1973) seems to be still …

Changes in numbers of adult Coccinellids on nettles infested with Microlophium evansi
(Theo.) and on three experimental bean plots infested with Aphis fabae Scop. are described …