A 658‐bp fragment of mitochondrial DNA from the 5′ region of the mitochondrial
cytochrome c oxidase 1 (COI) gene has been adopted as the standard DNA barcode region …

This chapter reviews the biological diversity of the Sternorrhyncha, comments on the most
pressing issues in sternorrhynchan biodiversity research, and points out the potential for that …

Aphids constitute a diverse group of plant-feeding insects and are among the most important
crop pests in temperate regions. Their morphological identification is time-consuming and …

Abstract The Psylloidea (Hemiptera) comprise~ 4,000 species of small sap-feeding insects
known as psyllids or jumping plant-lice. We summarize species composition of the …

Psyllids are an economically important group of insects. Several species are serious
emerging pests with regulatory significance. About 20 adventive species have been …

Pseudocryptic species, those that are difficult to diagnose using traditional taxonomic
methods, are serious impediments for recognizing the introduction of non-native species …

Introduction In the past decade ecological speciation has been recognized as having an
important role in the diversification of plant-feeding insects. Aphids are host-specialised …

Facultative bacterial symbionts can provide their host insects with protection from natural
enemies. These symbionts are often found at low to intermediate frequencies among hosts …

Two hundred and sixty-two adventive aphids (Hemiptera: Aphidoidea) have been previously
reported in North America north of Mexico. We update this to include 25 previously …

Global temperatures are generally increasing, and this is leading to a well documented
advancement and extension of seasonal activity of many pest insects. Effects of changing …