Gallmakers Quiz

Gallmakers

Gallmakers Quiz

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1. Plant galls are an accelerated growth of the growing tissue and is initiated by(Required)

a. egg laying

b. saliva secretions

c. mechanical injury

all of the above

a and b

2. Plant galls always form in response to an interaction with insects.(Required)

True

False

3. Galls can form in the developing tissues of any plant structure including leaves, buds, stems, flowers, shoots, or roots.(Required)

True

False

4. Which statement is false(Required)

a. Occasionally, infestations flare up and the plant will form abscission layers that cause infested leaves to drop from the host.

b. Several orders of insects have adopted specific gall types, and methods of control will vary with the type.

c. Low numbers of galls are not harmful to trees, but high numbers of galls cause significant damage.

5. Oak apple galls and thimbleberry galls are formed by(Required)

a. psyllid

b. aphids

c. adelgids

d. flies and midges

e. gall wasps

f. sawflies

6. Reddish galls on kinnikinnik are formed by(Required)

a. psyllid

b. aphids

c. adelgids

d. flies and midges

e. gall wasps

f. sawflies

7. Galls on spruce are formed by(Required)

a. psyllid

b. aphids

c. adelgids

d. flies and midges

e. gall wasps

f. sawflies

8. Closed galls form around sucking insects in response to the salivary juices of the insect.(Required)

True

False

9. It’s important to identify the adult insect emerging from the gall because it may be a parasitoid that should be conserved, rather than destroyed.(Required)

True

False

10. Many gall makers are heavily parasitized once they become numerous enough for parasitoids to locate them.(Required)

True

False