Fruit & Vegetable Crops

Though damage from the raspberry cane borer (Oberea perspicillata) is often seen, the insect itself is rarely recognized as a pest. It usually causes ...

The strawberry weevil (Anthonomus signatus) is also known as the “strawberry clipper”. It is native to North America, occurring from Texas to New Engl...

Fire blight, caused by the bacterium Erwinia amylovora, is found to some extent almost every year in New Hampshire and other major apple and pear grow...

Aphids, or plant lice, feed on most vegetable crops, many house plants and ornamentals grown in New Hampshire, as well as numerous weeds and wild plan...

Apple scab is a fungus disease that occurs worldwide wherever apples are grown. It is most severe in areas where the weather is cool and moist in the ...

The corn earworm, Heliothis zea, is considered one of the worst pests of sweet corn. It might go undetected until harvest time when it is discovered b...

The European corn borer (Ostrinia nubilalis) was introduced into the U.S. in 1917. Broken tassels, collapsed stalks, feeding signs on leaves, and bori...

Fungus gnats comprise two entire families of flies, but in greenhouses, most commonly we see Mycetophilids, especially Bradysia coprophila and B. impa...

The house fly, Musca domestica, is a familiar insect pest. It is of economic importance because it can transmit disease-causing organisms, such as sal...

The seedcorn maggot, Delia platura, was probably introduced from Europe in the mid-1800’s and is now widely distributed in the U.S. and Canada. This m...