ENT 201 EXAM 3 NCSU EXAM STUDY
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1. What are the 5 major insect orders to know? - ANSWER ✔ Diptera,
Hymenoptera, Lepidoptera, Coleoptera, Hemiptera
2. What is a defining trait of Diptera? - ANSWER ✔ Two wings + halteres
3. What are halteres? - ANSWER ✔ Modified hindwings used for balance
4. How many wings do Diptera have? - ANSWER ✔ Two
5. What are the mouthparts of Diptera? - ANSWER ✔ Sponging, piercing-
sucking, cutting
6. What are Diptera larvae called? - ANSWER ✔ Maggots
7. Give an example of a Diptera. - ANSWER ✔ Mosquito, housefly
8. Why are Diptera important? - ANSWER ✔ Disease vectors, decomposers
9. Which order is the ONLY one with halteres? - ANSWER ✔ Diptera
10.What order has a narrow waist, stinger, and 4 wings? - ANSWER ✔
Hymenoptera
11.What is haplodiploidy? - ANSWER ✔ Fertilized eggs = females;
unfertilized = males
,12.What is a defining behavior of Hymenoptera? - ANSWER ✔ Eusocial
13.Give examples of Hymenoptera. - ANSWER ✔ Ants, bees, wasps
14.What is the origin of the Hymenoptera stinger? - ANSWER ✔ Modified
ovipositor
15.What is a defining trait of Lepidoptera? - ANSWER ✔ Scales on wings
16.What are the mouthparts of Lepidoptera? - ANSWER ✔ Proboscis
17.What are Lepidoptera larvae called? - ANSWER ✔ Caterpillars with
prolegs
18.Give examples of Lepidoptera. - ANSWER ✔ Butterflies, moths
19.What is a defining trait of Coleoptera? - ANSWER ✔ Elytra
20.What are elytra? - ANSWER ✔ Hardened forewings
21.africanized honey bees - ANSWER ✔ honey bees demonstrating the
aggressive nature and other undesirable characteristics. Dominantly
inherited when these bees mate with European strain honeybees. First
released (accidentally) in Brazil in 1956; now found in southern border
region of the US
22.agent - ANSWER ✔ a living organism causing disease in an arthropod-
vectored disease cycles
23.augmentation biological control - ANSWER ✔ biocontrol reliant on
releasing large numbers of biological control agents to suppress a pest
population. Using biocontrol agents as "living insecticides"
24.bacillus thuriengensis - ANSWER ✔ soil microbe found virtually world-
wide which produces crystalline proteins toxic to various insects. Widely
used as a microbial insectices, and also a source of genes for transgenic crop
plants
, 25.biological control - ANSWER ✔ using living organisms to reduce pest
populations
26.bubo - ANSWER ✔ characteristic; gross swelling of lymph nodes
associated with plague infection
27.cattle grub - ANSWER ✔ dipteran pests tha develop under the skin of
cattle, damaging leather and causing scar tissue to meat
28.chloroquine - ANSWER ✔ synthetic anti-malarial drug
29.commercial agriculture - ANSWER ✔ agriculture in which farmers
produce crop primarily for sale to others
30.conservation biological control - ANSWER ✔ controlling pest insects by
protecting the biological control agents already present
31.cultural control - ANSWER ✔ pest management which relies on modifying
something we would do any way to help reduce pest populations. In
agriculture, could include modifying planting or harvest dates, tillage
changes, crop rotation, etc. In other circumstances, sanitation is an important
cultural control strategy.
32.cultural entomology - ANSWER ✔ the study of the impact of insects on
human culture and society
33.Describe Calyptra eustrigata, the skin-piercing bloodsucking moth -
ANSWER ✔ feeds on mammal blood and causes pain/itching
found in malaysia, india, and sri lanka
34.Describe Melophagus ovinus, the sheep ked - ANSWER ✔ wingless, looks
like a tick
feeds on sheep and goat blood, very harmful to sheep in terms of weight and
wool quality
native to europe but have spread
35.Describe Helaeomyia petrolei, the petroleum fly - ANSWER ✔ an
extremophile found in oil
GUIDE 2026/2027 ACCURATE QUESTIONS
WITH CORRECT DETAILED SOLUTIONS ||
100% GUARANTEED PASS
<NEWEST VERSION>
1. What are the 5 major insect orders to know? - ANSWER ✔ Diptera,
Hymenoptera, Lepidoptera, Coleoptera, Hemiptera
2. What is a defining trait of Diptera? - ANSWER ✔ Two wings + halteres
3. What are halteres? - ANSWER ✔ Modified hindwings used for balance
4. How many wings do Diptera have? - ANSWER ✔ Two
5. What are the mouthparts of Diptera? - ANSWER ✔ Sponging, piercing-
sucking, cutting
6. What are Diptera larvae called? - ANSWER ✔ Maggots
7. Give an example of a Diptera. - ANSWER ✔ Mosquito, housefly
8. Why are Diptera important? - ANSWER ✔ Disease vectors, decomposers
9. Which order is the ONLY one with halteres? - ANSWER ✔ Diptera
10.What order has a narrow waist, stinger, and 4 wings? - ANSWER ✔
Hymenoptera
11.What is haplodiploidy? - ANSWER ✔ Fertilized eggs = females;
unfertilized = males
,12.What is a defining behavior of Hymenoptera? - ANSWER ✔ Eusocial
13.Give examples of Hymenoptera. - ANSWER ✔ Ants, bees, wasps
14.What is the origin of the Hymenoptera stinger? - ANSWER ✔ Modified
ovipositor
15.What is a defining trait of Lepidoptera? - ANSWER ✔ Scales on wings
16.What are the mouthparts of Lepidoptera? - ANSWER ✔ Proboscis
17.What are Lepidoptera larvae called? - ANSWER ✔ Caterpillars with
prolegs
18.Give examples of Lepidoptera. - ANSWER ✔ Butterflies, moths
19.What is a defining trait of Coleoptera? - ANSWER ✔ Elytra
20.What are elytra? - ANSWER ✔ Hardened forewings
21.africanized honey bees - ANSWER ✔ honey bees demonstrating the
aggressive nature and other undesirable characteristics. Dominantly
inherited when these bees mate with European strain honeybees. First
released (accidentally) in Brazil in 1956; now found in southern border
region of the US
22.agent - ANSWER ✔ a living organism causing disease in an arthropod-
vectored disease cycles
23.augmentation biological control - ANSWER ✔ biocontrol reliant on
releasing large numbers of biological control agents to suppress a pest
population. Using biocontrol agents as "living insecticides"
24.bacillus thuriengensis - ANSWER ✔ soil microbe found virtually world-
wide which produces crystalline proteins toxic to various insects. Widely
used as a microbial insectices, and also a source of genes for transgenic crop
plants
, 25.biological control - ANSWER ✔ using living organisms to reduce pest
populations
26.bubo - ANSWER ✔ characteristic; gross swelling of lymph nodes
associated with plague infection
27.cattle grub - ANSWER ✔ dipteran pests tha develop under the skin of
cattle, damaging leather and causing scar tissue to meat
28.chloroquine - ANSWER ✔ synthetic anti-malarial drug
29.commercial agriculture - ANSWER ✔ agriculture in which farmers
produce crop primarily for sale to others
30.conservation biological control - ANSWER ✔ controlling pest insects by
protecting the biological control agents already present
31.cultural control - ANSWER ✔ pest management which relies on modifying
something we would do any way to help reduce pest populations. In
agriculture, could include modifying planting or harvest dates, tillage
changes, crop rotation, etc. In other circumstances, sanitation is an important
cultural control strategy.
32.cultural entomology - ANSWER ✔ the study of the impact of insects on
human culture and society
33.Describe Calyptra eustrigata, the skin-piercing bloodsucking moth -
ANSWER ✔ feeds on mammal blood and causes pain/itching
found in malaysia, india, and sri lanka
34.Describe Melophagus ovinus, the sheep ked - ANSWER ✔ wingless, looks
like a tick
feeds on sheep and goat blood, very harmful to sheep in terms of weight and
wool quality
native to europe but have spread
35.Describe Helaeomyia petrolei, the petroleum fly - ANSWER ✔ an
extremophile found in oil
