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Vegetable Industry #4D: Beneficial VS. Pest Insects

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.
Which insect does not belong in this group?
a)
mole cricket
b)
cutworm
c)
lacewing
d)
green stink bug
2.
Which insect does not belong in this group?
a)
cutworm
b)
lady beetle
c)
lacewing
d)
green garden spider
3.
Pest insects: insects that resemble moles in looks and behavior. They tunnel through the soil near the surface and feed on the roots and stems of grass plants.
a)
leafhopper
b)
leafminer
c)
mole cricket
d)
lace wing
4.
Pest insects: larva of these non-descript black flies literally bore their way through the leaf. Frequently, it appears as white or yellow squiggly lines in the leaves, but can also appear as spots or blotches.
a)
aphid
b)
leafhopper
c)
leafminer
d)
lace wing
5.
Pest insects: these minute insects, colloquially known as hoppers, are plant feeders that suck plant sap from grass, shrubs, and ho/fly quickly away from movement.
a)
lace wing
b)
leafhopper
c)
aphid
d)
leafminer
6.
Pest insect: pale green or light brown, with more rounded shoulders. When threatened, they produce a pungent odor. Damaged fruit appears as pinpricks and causes tissue to harden and yellow.
a)
green stink bug
b)
predatory stink bug
c)
lace wing
d)
assassin bugs
7.
Pest insects: inspect plants in the morning and keep an eye out for plants that have been severed near the ground. Their chewing may also wilt the plant but not cut the stem in half. You may spot the caterpillar in the afternoon or early evening.
a)
ladybug larvae
b)
aphid
c)
lace wing
d)
cutworm
8.
Pest insects: usually found on new plant growth, resulting in leaf curling. Most species identified by host e.g. turnip aphid. Their "honeydew" can be food source for beneficial insects.
a)
lace wing
b)
aphid
c)
leafminer
d)
cutworm
9.
Insects that cause damage to crops, people, or the environment.  For example: mosquitoes spread diseases to a larger area; pine bark beetles have infested Boreal Forests.
a)
pest insects
b)
lady bugs
c)
predatory insects
d)
beneficial insects
10.
Beneficial arachnids: feed on a wide variety of insects. Jumping, green lynx, and wolf spiders are ofter found in gardens as well. Only a few spiders such as the black and brown widow, tarantula, and brown recluse are poisonous to people.  The rest, and there are thousaands!, are beneficial.
a)
green garden spider
b)
spider mites
c)
green stink bug
d)
ground beetle
11.
Beneficial insects: the most familiar of this type of insect (the green ones) destroy crops, but some are beneficial. The predatory/beneficial ones have spiny shoulders and short beaks, whereas the plant feeders (pests) are green and have round shoulders and long mouthparts. Predators feed on many insects, especially caterpillars.
a)
green stink bug
b)
predatory stink bug
c)
leaf-footed bugs
d)
leaf miners
12.
Beneficial insects: the larval stage of this insect is also very beneficial in the garden and is known as an "ant lion".  You may have seen their traps: volcano crater circles in sand or dirt with a hole in the middle where they hide then rush out and snatch other insects that fall into their "den".
a)
ladybug larvae
b)
praying mantis
c)
honey bee
d)
lacewing larvae
13.
Beneficial insects: the wings of this insect are transparent with many veins. Adults are predaceous and their larva ("aphid lions") also feed on aphids and other small soft-bodied insects.
a)
aphid
b)
cutworm
c)
ladybug
d)
lacewing
14.
Beneficial insects: these do not stalk their prey; they ambush their prey, snatch them in their foldable arms, then calmly eat their brains.
a)
parasitic wasps
b)
sphinx moth
c)
spider mites
d)
praying mantis
15.
Beneficial insects: this stage of their lifecycle is even more voracious for eating tons of garden pests.
a)
ladybug larvae
b)
leaf-footed bug larvae
c)
praying mantis
d)
lacewing larvae
16.
Beneficial insects: adults and larvae of this insect eat soft-bodied insects like aphids, immature scales, mealybugs, mites, insect eggs. Over 200-500 aphids are consumed during their larval stage, and even more by adults!
a)
big-eyed bug
b)
lacewing larvae
c)
lady beetle, ladybug
d)
leaf hopper
17.
Insects that are natural predators and parasites that control other plant pests, or that pollinate crops and wildflowers.
a)
aphids
b)
spider mites
c)
beneficial insects
d)
pest insects