WebA ten-year study consisting of nine field experiments was conducted to evaluate alfalfa (Medicago sativa L.) for resistance to larval feeding by the alfalfa weevil (Hypera postica … Web31 mei 2012 · Two hymenopterous parasites Bathyplectes curculionis (Thomson) and Tetrastichus incertus (Ratzeburg) parasitized 16.5% of their principal host the alfalfa …
Hypera postica (Gyllenhal, 1813) UK Beetle Recording
Hypera postica, commonly known as the alfalfa weevil, is a species of beetle in the superfamily Curculionoidea; it can be found in alfalfa fields throughout Europe. Considered a destructive threat to alfalfa production in North America, several accidental introductions have been successfully countered … Meer weergeven The alfalfa weevil grows to a length of about 4 to 5.5 mm (0.16 to 0.22 in). The rostrum or beak is short and broad. The frons is half as wide as the rostrum while the pronotum is broadest in the centre. The general … Meer weergeven Both the larvae and the adults are diurnal and feed on the foliage of alfalfa, the larvae doing the most damage. The adults eat the edges of the leaves, giving them a feathery appearance. At first, the larvae feed on terminal leaves leaving puncture marks, but … Meer weergeven In Illinois, some eggs are laid in the late fall or the winter, when weather conditions permit. Adults also overwinter and become increasingly active in March and April. Eggs are … Meer weergeven WebHypera postica Gyllenhal The alfalfa weevil is one of the primary insect defoliators of alfalfa. Thought to be of Asian origin, the alfalfa weevil was introduced into the United … black horse sport shoes price in nepal
Field Guide to Common Texas Insects - 20 Best-Selling Insect ...
WebTexas A&M Woodland Support; Texas A&M Veterinary Medical Diagnostics Laboratory; Texas A&M AgriLife Extension Service; Texas A&M AgriLife Research; Texas A&M Graduate of Agrculture additionally Life Natural Web1 dec. 2013 · Abstract and Figures Occurrence of adult alfalfa weevil, Hypera postica Gyllenhal, was observed at Chinese milk vetch field, and host plant preference of its … gaming with kev roblox face your fears