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(May 14-27, 2015)
below are the sticky wing trap catches for some insect pest species. Producers
are encouraged to refer to the IPM guides on ACES website for crop-specific
control recommendations. Consult a Regional Extension Agent for developing a
farm-specific IPM plan.
Has 5-6 generations in the south. Host plants include bean, corn, cowpea,
eggplant, pea, pepper, potato, tomato, and many other vegetables. Field crops
may include corn, cotton, peanut, sorghum, and soybean. Moth numbers are building up in certain areas of central AL – so be on
the lookout for caterpillars if the weather becomes hot and dry.
Has 4 generations in the south – migrates upward from FL and gets bad mid-
to-late-season on specialty crops. Prefers to feed on grasses then move to
various row crops and vegetables that include fruiting crops. It appears that at present fall armyworms
are not aggressively migrating into row crops or vegetable fields but hot dry
weather can make populations worse. Hay and livestock producers are encouraged
to read this article by Dr. Kathy Flanders, http://www.cattletoday.com/archive/2011/August/CT2540.php and contact her for additional observations.
Has about 5-7 generations in the south. Corn, tomato and cotton appear to be
favorite crops among numerous others row and horticultural plants that may also
be attacked. Moth numbers have not
increased during the past two weeks locations monitored but that doesn’t mean
moths are not present. Peak activity usually happens in mid-summer with several
overlapping generations present. Tomatoes are a favored host for egg laying if
corn is unavailable – so vegetable producers should watch out!
Has 4-5 generations in the south. Host crops cotton, soybean, and peanuts among
others. May attack vegetables as pea, pepper, pigeon pea, squash, and tomato. We have detected a very low population in
Lee County but moths may be active in many southern AL counties. These insects
are difficult to kill with synthetic pyrethroids – so look before you spray!
Infestations happen from migrating populations or moths may be moved by weather
systems. Attack soybean and peanuts among other row crops. Also attacks many
summer vegetable crops during late season. Moth
numbers/activity appears low in observed locations.
3-4 generations may occur. Prefers various legume (including peanuts and
soybeans) and grassy crops. The moths are
usually detected in high numbers in row crops which is evident from the reported
numbers. However, crop damage from caterpillars usually follows prolonged hot
One generation per year. Moths are day-flying and they can migrate long
distances during early spring to find host plants. Vines must be protected
using insecticides or with insect netting ahead of the insect to reduce egg
laying. Moth activity is high in many of
the monitoring locations and producers should be on high alert to prevent
infestations. Moths look like wasps and lay eggs on the stem close to the soil.
Entomologist/SARE Program Coordinator
Luke Knight and
Undergraduate IPM Project Assistants
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