Helpful guidelines

What is the scientific name for weevils?

What is the scientific name for weevils?

CurculionoideaWeevil / Scientific name

What family is weevils?

family Curculionidae
weevil, (family Curculionidae), also called snout beetle, true weevil of the insect order Coleoptera (beetles and weevils). Curculionidae is one of the largest coleopteran families (about 40,000 species).

What are the economic importance of weevils?

As mentioned most of them are herbivorous and economically important pest because they affect crops by reducing yields or affect stored products. They can actually cause large losses since the female makes holes somewhere in the plant, either branches or fruits to oviposit.

Are weevils common?

The most common type of weevils found in pantries and cupboards are the rice weevil (Sitophilus oryzae), the granary or wheat weevil (Sitophilus granarius), and the maize weevil (Sitophilus zeamais).

What is the most common weevil?

Weevils usually infest grains and starches like rice, flour, pasta, and cereals….The most common stored product weevils are:

  • Cowpea weevils, Callosobruchus maculatus (F.)
  • Granary weevils, Sitophilus granarius (L.)
  • Rice weevils, Sitophilus oryzae (L.)

What is difference between beetles and weevils?

is that beetle is any of numerous species of insect in the order coleoptera characterized by a pair of hard, shell-like front wings which cover and protect a pair of rear wings when at rest or beetle can be a type of mallet with a large wooden head, used to drive wedges, beat pavements, etc while weevil is any of …

What kills bark beetles?

Selection of Chemicals – There are currently 3 insecticides registered for control of bark beetles on southern pines. These are lindane, chlorpyrifos (Dursban 4E) and fenitrothion (Sumithion 8E) . Landowners may purchase lindane for their own use without an applicator’s license.

How does climate change affect bark beetles?

With continued changes in climate, many tree species will be exposed to conditions that are potentially less suitable for optimal growth, thereby making them more susceptible to bark beetle attacks.

Which plant is mostly affected by weevil?

The adult beetles feed on the foliage of many herbaceous plants and shrubs, especially Rhododendron, evergreen Euonymus, Hydrangea, Epimedium, Bergenia, Primula and strawberry. Adults rarely cause enough damage to affect the vigour of plants.

What damage do weevils cause?

The larvae feed on the stem tissue and damage the plant, sometimes causing the stem to break off or fall over. They pupate in the stem and emerge as adults in about 50 days, though this period is very variable.