Chapter 2 - Insect Pests of Ornamental and Turf Plants Flashcards
Most insecticides used for aphid control include:
a. fumigants
b. stomach
c. contact or systemic
d. systemic only
c. contact or systemic
The color of the early nymphal stage of the chinch bug is:
a. orange
b. bright yellow
c. pale white
d. black
a. orange
Damaging infestations of spider mites are most likely to occur during what kind of weather?
a. cool and wet
b. warm and humid
c. cool and dry
d. hot and dry
d. hot and dry
The egg-laying period for the June bug is:
a. 10 days
b. 15 days
c. 30 days
d. more than 40 dasy
c. 30 days
Plant galls can be a result of feeding by:
a. aphids
b. mites
c. small wasps
d. all of the above
d. all of the above (a. Aphids b. mites c. small wasps)
Webs constructed near terminal ends of branches within which a caterpillar consumes foliage is evidence of:
a. cynipid wasps
b. fall webworm
c. forest tent caterpillar
d. fall armyworms
b. fall webworm
The number of white grubs per square foot that may cause economic damage is:
a. 8 to 10
b. 4 to 5
c. 1 to 3
d. 2
b. 4 to 5
The fall armyworm can be distinguished from other larvae by:
a. a white inverted Y on head
b. their green color
c. white dots on the back
d. number of teeth
a. a white inverted Y on head.
Numerous low-flying moths are generally associated with infections of which of these turfgrass insects?
a. mole crickets
b. fall armyworms
c. June beetles
d. sod webworms
d. sod webworms
Broadcast applications of insecticide baits, contact insecticides and individual mound treatment are all acceptable control methods for which of these insects pests?
a. grasshoppers
b. red imported fire ants
c. cutworms
d. Texas leaf cutting ant
b. red imported fire ant