Insect pests and pathogens (fungi, bacteria and viruses) are responsible for severe crop
losses. Insects feed directly on the plant tissues, while the pathogens lead to damage or …

Alpha-amylases are major digestive enzymes that act in the first step of maltopolysaccharide
digestion. In insects, these enzymes have long been studied for applied as well as purely …

Bruchid beetle larvae cause major losses in grain legume crops throughout the world. Some
bruchid species, such as the cowpea weevil (Callosobruchus maculatus) and the Mexican …

Bioinsecticidal effects of methanol extracts from seven plant species on Tribolium
castaneum were investigated. Centaurium erythraea, Peganum harmala, Ajuga iva …

Background α-Amylase is an important digestive enzyme required for the optimal growth
and development of insects. Several insect α-amylases had been purified and their physical …

Spodoptera littoralis (Boisd) is globally recognized as a destructive polyphagous insect pest
of various crops in the world. It is commonly managed by chemical pesticides, which can …

Feeding is crucial for the growth and survival of animals, including humans, but relatively
little is known about how it is regulated. Here, we show that larval feeding in Ostrinia …

Abstract The Indianmeal moth, Plodia interpunctella Hübner (Lepidoptera: Pyralidae), is a
major stored product pest that is found throughout the world. In this study, the effect of oral …

The experiment was conducted to determine a-amylase activity and the effect of seven plant
species extracts including Punica granatum L.(Punicaceae), Rheum officinale …

The α‐amylase in the midgut and salivary glands of Eurygaster integriceps was isolated and
characterized. The specific activity of α‐amylase in the midgut was 1.77 U/mg protein and in …