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 …

Abstract Bark beetles (Curculionidae: Scolytinae) feed on the xylem and phloem of their
host, which are composed of structural carbohydrates and organic compounds that are not …

The bioinsecticidal effects of methanolic extracts of the leaves of castor bean, Ricinus
communis, and papaya, Carica papaya, on the red flour beetle, Tribolium castaneum, were …

Abstract α-Amylases are common enzymes responsible for hydrolyzing starch. Insect-pests,
whose larvae develop in seeds, rely obligatorily on α-amylase activity to digest starch, as …

Population genetic structure is the study of genetic variation in time and space. Traditionally,
population genetic structure assessments provide information on the dispersal of species …

Dendroctonus-bark beetles are natural agents contributing to vital processes in coniferous
forests, such as regeneration, succession, and material recycling, as they colonize and kill …

Background. Pine bark beetle Ips acuminatus (Gyllenhal, 1827) is one of the most harmful
pests of pine trees as it affects the phloem of the upper part of the stem and branches …

Las polillas Tecia solanivora y Symmetrischema tangolias (Lepidoptera: Gelechiidae)
ocasionan daños significativos a los tubérculos de Solanum tuberosum. El objetivo de este …

Entre las numerosas piezas cerámicas correspondientes a la Cultura Valdivia, de la costa
Ecuatoriana y que, por otra parte, es la cultura cerámica más antigua de las descubiertas …