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Incredible Insects

Bio Ted Talks

Lindsay Erndwein

on 2 January 2018

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Transcript of Incredible Insects

Incredible Insects
The Brown Marmorated STINK BUG!
Accidentally introduced into Eastern PA
China, Japan, Korea and Taiwan
Scent glands located on the dorsal surface of the abdomen and the underside of the thorax.
Two or three generations per year
but in its native habitat...
Fun Facts about some Common "Buggies"
but... Not all insects are bugs!
Often the word “bug” is used to refer to any kind of insect.
True Bugs
(The word "Arthropod" means jointed legs.)
feed through a STYLET-a mouth shaped like a long pointed beak which allows them to drink their food from a straw.
There are more insects in one square mile of rural land than there are human beings on the entire earth.
Beetles taste like apples, wasps like pine nuts, and worms like fried bacon.
What exactly is an insect?
Three body segments
Hard exoskeleton made of chitin
Have tough leathery forewings attached to the body
Honey bees
Bumble Bees
Carpenter Bees
Responsible for most human bee stings
Alarmed honey bee workers release substances from glands in the sting apparatus and mouth parts signaling other bees to attack
nest under ground (in soil and/or under debris, e.g., refuse dumps, etc.)
make honey in such small quantities that it would be impractical for commercial purposes
Bees, wasps, and ants all share the family, Halictidae
Responsible for half of the human deaths caused by bee and wasp stings
Honey is the only food that includes all the substances necessary to sustain life: enzymes, vitamins, minerals, and water; it's the only food that contains "pinocembrin", an antioxidant associated with improved brain functioning.
A hive of bees will fly 90,000 miles, the equivalent of three orbits around the earth to collect 1 kg of honey.
During winter, they feed on the honey they collected during the warmer months. They form a tight cluster in their hive to keep the queen and themselves warm.
buzzing sound of the bumble bee is produced because of vibration of its flight muscles, and not because it flaps its wings
Two compound eyes and as many as three simple eyes
Insects and their relatives make up the group of invertebrates, of the order Arthropoda.
Can you distinguish insects from other arthropods?
Insect or not?
YES! Ladybugs have three body segments, compound eyes, and a body made of chiton.
Insect or not?
Slow and gentle
Less aggressive, that their cousins, honey bees
do not have a sting
Nests are small and they never swarm
Generally prefer violet and blue colored flowers in the initial stages of life
Males can be aggressive as they try to defend their nest, but this is just a show--in reality, only the females have stingers.
Do not form colonies or hives
Build nests by biting right into the wood, against the grain to make a tunnel.
Carpenter: Abdomen completely black
Bumble: Abdomen with one or few yellow fuzzy bands
Honey: Abdomen yellow orange and black striped-Minimal fuzz
True bugs belong to the family, Hemiptera
Females build individual nests in which they lay eggs
Males do not live long enough to need nests
Insect or not?
No! Millipedes can have over 100 body segments and more than a thousand legs. Too many to be classified as an insect. They belong to the class Diplopoda.
By: Lindsay Erndwein
No! this wolf spider is an arachnid.
It has four legs and only two body segments.
The Praying Mantis
The only insect that can swivel its head 360 degrees
Females are larger and more ferocious than males
A female is likely to eat her mate just after-or even during-mating.
Named for its prominent front legs, which are bent and held together at an angle that suggests the position of prayer.
mantis egg sac
Food consists mainly of moths, crickets, grasshoppers, flies, and other insects
Mantids have been reported eating spiders, birds, fish, and even snakes
Butterflies and Moths
Monarch butterflies migrate to the Great Lakes to the Gulf of Mexico, a distance of about 2,000 miles, and return to the north again in the spring.
Butterflies cannot fly if their body temperature is less than 86 degrees.
There are about 24,000 species of butterflies.
Some moths never eat anything as adults because they don't have mouths. They must live on the energy they stored as caterpillars.
The Brimstone butterfly (Gonepterix rhamni) has the longest lifetime of the adult butterflies: 9-10 months.
There are 140,000 species of moths
Moth or Butterfly?
Butterflies tend to fold their wings vertically up over their backs. Moths tend to hold their wings in a tent-like fashion that hides the abdomen.
Butterflies are primariy diurnal, flying in the daytime. Moths are generally nocturnal, flying at night.
A moth makes a cocoon, which is wrapped in a silk covering. A butterfly makes a chrysalis, which is hard, smooth and has no silk covering.
A dragonfly has a lifespan of 24 hours.
Houseflies find sugar with their feet, which are 10 million times more sensitive than human tongues.
Lightningbugs or Fireflies are not true bugs or flies
What's in the jar?
The Golden-Backed Snipe Fly
This insect is still very much a mystery
Little is known about eating habits and life cycle
present during the spring and early summer in wooded areas with lush undergrowth
Mouthparts in adult at all?
An ant can survive underwater for up to two days
The ant is also the animal with the largest brain in proportion to its head.
There are 30 million different species of insects, making up to almost 90% of all living things on the planet.
The wingspans of fossil dragonflies, existing millions of years ago, were more than two feet.
Six jointed legs
The End!
Save an insect today =0]
Bugs aren't scary, they're fascinating!
Insects are my Life!
Full transcript