ILLEGIBLE ANSWERS WILL NOT BE GRADED

Read directions and questions carefully. Think before you respond. GOOD LUCK.

HONESTY IS EXPECTED.

I. FILL-INS (4 pts each question). Fill in each blank with the most accurate and appropriate word or phrase that completes the sentence in the context of this course. There may be more than 1 correct answer.

1. Antennae located on the ________________ body segment are the major sensory

structures of insects. Another important sensory structure of some flying insects like butterflies & flies attached to the thorax is the _________________ and a third sensory receiving structure attached to the abdomen of some insects are the ____________________.

2. An insect order with one functional pair of flying wings is the order ________________. The modified wing pair you identified above is on the ________________ thorax section and it functions to ______________________________________________.

3. Chemically, chitin is a ________________. It is found as layers on the insect ___________________. One of the functions it serves the insect is ___________________________________.

4. Most insects are small in size and thus exhibit a ___________ ratio of surface to volume. This means insects have a well developed ___________________ to avoid ____________________________________________.

5. Mites and ticks are related to insects and have common characteristics of

1) __________________________, 2) _____________________________. They differ from insects in 1) _______________________ and 2) ________________________.

6. The two orders isoptera and homoptera have two things in common based solely on the

meaning of the order names. They are: 1) ________________________________ and 2) _________________________. Give a common name for a member of each order – Isoptera ______________________, Homoptera __________________________.

7. Humans need to know (study) Entomology because _____________________________. Name an insect order we should study for the reason you listed above __________________. Why did you select that particular order as an example of your answer in first blank? _____________________________________________________.

8. Name the order of these “flies”.

stoneflies _____________________ damselflies _____________________

caddisflies _____________________ house flies ______________________

9. Name the order:

immature lives in water, adult with unequal size wings _______________________

holometabolous, adult w/2 pair functional wings ________________________

adult w/modified legs & wings (1 pr. nonflying) _________________________

adult & immature major plant pests _____________________________

10. Paurometabolous development means ______________________________________. Give an order example ____________________. What is importance to humans of this order ____________________________________________________.

11. The insect compound eye consists of a number of ______________. Besides compound eyes, insects have _______________ on their head that assist with vision. On insect mouthparts “teeth” may be found on _______________ and palpi on _______________.

12. An insect “olympian” is the __________________ which can out compete other organisms by _____________________. An insect reading in section C discussed the order ___________________ and it included information on __________________.

13. In primitive winged insects, flight muscles ________________ whereas in flies and bess the wing muscles ________________________. Flies/bees have a SLOWER or MORE RAPID wing beat (circle one). Wings probably originated from _________ in ancestral non-flying relatives.

14. Coleoptera means ________________ insects is the largest order in number of _______________. A beetle that eats plants is the _________________ while a predaceous beetle is the ______________.

15. An arthropod lacks a backbone, has a exoskeleton of chitin and __________________, _________________ appendages. An arthropod with 2 pair of antennae that lives in salt water is the __________________. An extinct arthropod is the ___________________.

II. DIAGRAMS (6 pts each). Answer all questions being as specific as possible.

16. a) Label one (of two) living portions as A

b) Where would you observe a sclerite --

(add as B) to diagram

c) Muscles would attach to the _______

portion. Add C on diagram to indicate this

portion.

17. a) Identify order ________________

b) How many body parts? ____ antennae? ___

c) Why do you identify this as an arthropod?

__________________________________

18. a) Proboscis consists of __________ and

__________ portions. It is A, B, C, or D (circle one).

b) Are there mandibles present? Yes or No

c) Identify maxillary palps as A, B, C, or D

(circle one).

19. Diagram (side view) an adult insect with complete metamorphosis and label at least 10

body parts. Insect drawn is order ___________________.

20. a) Modified hind leg as seen Metamorphosis shown is _________

in order _______________. as in order ___________________.

b) ID parts A & B Label stage A.

III. SHORT ANSWER (10 pts). Fill in 2 blanks and answer question in context of course.

The insect order __________________ has holometabolous development and the wing condition ________________. Explain how these 2 conditions specifically help make these insects a successful insect order.