Category Archives: Question of the Week

Question of the Week: Syrphid Fly

Last week the question was:  What is sitting on this strawberry leaf? This is a syrphid fly, sometimes referred to as a hover fly.  This is a beneficial insect whose larvae feed on aphids.  Syrphid flies and their larvae can be … Continue reading

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Question of the Week: Glyphosate

Last week the question was:  What caused the yellowing on the leaf margins of this kale? The yellowing on the leaf margins is the result of glyphosate.  The grower was spraying the row middles and some of the spray got on … Continue reading

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Question of the Week: Parasitic Wasp

Last week the question was:  Why is this tan colored aphid so much larger than the others? This aphid has been parasitized by a parasitic wasp.  These tiny wasps use their stinger, or ovipositor, to insert an egg inside the aphid’s … Continue reading

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Question of the Week: Ambush Bug

Last week the question was:  What is the critter on this goldenrod? This is an ambush bug.  These beneficial insects are true bugs in the same family as assassin bugs.  They sit motionless, waiting for their prey to come by, which … Continue reading

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Question of the Week: Tall Morningglory

Last week the question was:  What is this weed? This is a tall morningglory, also called the common morning glory.  Morning glories are vines that grow all over the eastern US.  There are a number species have attractive flowers in a … Continue reading

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Question of the Week: Timber Rattler

Last week the question was:  This snake was found run over on a road in Dillon.  What is it? This is a timber rattler, or sometimes called a canebrake rattler.  These venomous snakes feed mostly on rodents and are fairly docile … Continue reading

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Question of the Week: NPV

Last week the question was:  What killed this caterpillar? This is a soybean looper that has succumbed to nuclear polyhedrosis virus (NPV).  This is a virus that infects all kinds of caterpillars.  Caterpillars typically ingest the virus while feeding on … Continue reading

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Question of the Week: Stink Bug Nymphs

Last week the question was:  What just hatched on this soybean leaf? These are stink bug nymphs that hatched from the barrel shaped eggs to their right.  Stink bugs can be a serious pest in a number of our crops … Continue reading

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Question of the Week: Silver-Spotted Skipper

Last week the question was:  What is this insect? This is a silver-spotted skipper.  Their caterpillars feed on members of the legume family.  We occasionally find them in soybean fields, though they are not a significant pest.  The adults can … Continue reading

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Question of the Week: Eclipse

Last week the question was:  What is the cause of this funny looking shadow? These crescent shaped shadows were made during the eclipse on 8/21/17.  The path of totality passed right through the middle of SC and drew lots of … Continue reading

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