Exam (elaborations)
BSPM 102 Exam 4 Study Guide Questions & Detailed Answers
- Course
- BSPM 102
- Institution
- Colorado State University
BSPM 102 Exam 4 Study Guide Questions & Detailed Answers
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BSPM 102 Exam 4 Study Guide Questions &Detailed Answers
What do adult crane flies eat? - ANS Nothing: they don't feed!
Are crane flies medically important to humans? - ANS No
Midges - ANS Non-biting
Develop in moist sites with high amounts of organic material
Some have periodic, synchronized emergence
Best known for swarms that tower overhead
Assembly a common response to certain markers ("top swarming")
Most common insect that colonizes lakes and ponds
Blood red midges: can survive in low oxygen environments due to presence of
hemoglobin in blood
Life history of tsetse flies - ANS Biting
Females produce a single egg
Egg hatches within her body
Females give birth to a single full-grown larvae
What diseases do tsetse flies vector? - ANS Sleeping sickness (humans):
,-Gambiense (humid, forested areas around rivers)
-Rhodesience (dry savanna areas)
Nagana: same disease as sleeping sickness when it affects cattle and horses
Is sleeping sickness medically important in the USA? - ANS No, most cases are in
Africa (70% of cases in Democratic Republic of the Congo)
Nagana - ANS Sleeping sickness when it affects cattle and horses
Prevents a large swath of Africa from adopting livestock for use (impacts
economies)
How do screwworms feed? - ANS Feed on wounds and diseased tissues of man and
animals
Sterile Insect Technique (SIT) - ANS Technique which takes advantage of the
weakest point in the life history of the insect
Female mates with sterile male and eggs become infertile
Technique has proven to be very effective and has eliminated screwworms from
North and Central America
Barrier has been maintained at Panama Canal to keep screwworms out of USA
Maggot therapy - ANS Used for treatment of deep wounds
Developed during WWI
Maggots produce an antibiotic known as allantoin that cleans wounds
, Allantoin - ANS An antibiotic produced by screwworms that cleans wounds
Cattle grubs - ANS Look like bumble bees
Parasitic insects feeding on cattle, which can cause them to stampede
Phoresy - ANS Transport of one organism by another organism; can be seen with
human bot fly laying its eggs on another insect (often mosquitoes) that will then
visit a host
Are human bot flies found in the USA? - ANS No: mostly found in SE Mexico
through South America
How common are cluster flies in Colorado? - ANS Most common household fly in
most of Colorado
Where do cluster flies breed? - ANS On earthworms, as a parasite
Life history of vinegar flies - ANS Usually light brown with red eyes
Found hovering on fruit or other fermenting material
Often EATEN!
Value of vinegar flies to genetic studies - ANS Easy to care for and culture
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