Abstract Heliothine moths (Lepidoptera: Heliothinae) include some of the world's most
devastating pest species. Whereas the majority of nonpest heliothinae specialize on a single …

Four species in the genus of noctuid moths, Heliothis, are major agricultural pests
throughout the world. We propose that their pest status is due, in part, to their capacity for …

Inherited enzyme variations, studied using electrophoresis, can be used as markers for the
identification of individuals, population structure analysis, the delineation of species …

Pesticide resistance is an evolutionary phenomenon (Dobzhansky 1951), which cannot be
fully understood without genetic data. Genetic studies are a major tool in developing …

Helicoverpa armigera (Hübner) larvae were collected from field crops and wild hosts in
India, Nepal and Pakistan from 1991 to 1995, and ninety eight laboratory cultures …

Monitoring for organophosphate and carbamate resistance was carried out on five major
insect pests of cotton collected from 22 cotton-growing districts across India. Resistance was …

The last decade has witnessed significant changes in both the philosophy and methods
used for the monitoring of insecticide and acaricide resistance. The traditional emphasis has …

Background Helicoverpa armigera and H. zea are amongst the most significant
polyphagous pest lepidopteran species in the Old and New Worlds respectively. Separation …

The current understanding of the biosystematics of the Heliothinae is summarized, with
particular attention to major pest complexes. Heliothinae are defined and their phylogenetic …

Background Invasion of organisms into new ecosystems is increasingly common, due to the
global trade in commodities. One of the most complex post-invasion scenarios occurs when …