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Latest Manduca quinquemaculata Stories

2012-01-18 00:22:31

University of Florida researchers have discovered a key amino acid essential for human nutrition is also an effective insecticide against caterpillars that threaten the citrus industry. The Lime Swallowtail, or Citrus Swallowtail, is a well-known agricultural pest from southern Asia discovered in the Caribbean in 2006, and researchers say its potential impact on the U.S. citrus industry is cause for serious concern. “Everything that´s in the Caribbean eventually gets to...

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2010-08-26 23:34:48

The dilemma for tobacco hornworm larvae: By feeding on tobacco leaves they unintentionally and rapidly transform plant substances into attractant signals that betray their location to their own natural enemies -- with lethal consequencesPlants have developed a sophisticated defense system. They can not only directly fend off herbivores by producing toxins, but also do so indirectly by emitting odorant molecules into the atmosphere that are perceived by predatory insects; these predators are...

2007-12-30 09:00:16

Question I have a potted Meyer lemon that is 30 years old. It was an air layer done by my late father. It came from Florida but has lived in Norfolk 30 years. It is on a deck with south exposure and is covered during foul weather. We bring it inside during a hard freeze. My mother recently passed away, and I am guardian of the lemon. It is in a 23-inch-diameter pot and has not been repotted for 15 years. It bears fruit often and usually an impressive amount . Right now it has a very few...

2007-09-15 06:00:55

By Richard Nunnally, Richmond Times-Dispatch, Va. Sep. 15--Q:I grow tomatoes every year and find those big green worms on them. Some have white lumps on their backs. I've heard they are some kind of eggs. Is that true? If so, are they harmful? Answer: The worms you're seeing are tomato hornworms. They are common and enjoy eating the leaves of tomato plants. The white lumps are the egg cases for a parasitic wasp. This wasp stings the worm and deposits its eggs on the worm's back. As the...


Latest Manduca quinquemaculata Reference Libraries

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2005-07-14 00:56:38

Hawk moths (or Sphinx moths) are moths in the family Sphingidae. They are some of the fastest flying insects, capable of flying at over 30 miles per hour (50 km/h). They have a wingspan of 35-150 millimeters. Some hawk moths, like the hummingbird hawk moth, hover in midair while they feed on nectar from flowers and are sometimes mistaken for hummingbirds, even in continents where hummingbirds are not found. The larvae of most species of hawk moth have a "horn" at the posterior end. Because...

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Word of the Day
endocarp
  • The hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed.
This word comes from the Greek 'endon,' in, within, plus the Greek 'karpos', fruit.
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