Insects Flashcards
define parthenogenesis
asexual reproduction where offspring develop from unfertilized eggs
How can you tell a scarabid larvae from a cucurlionid larvae?
scarabs have legs….cucurlionids dont
describe holometabolous metamorphosis
complete metamorphosis
- egg
- larvae
- pupae
- adult
what is the best way to monitor moth adult flight?
blacklight traps
define pheromone
a scent that attracts mates
what does a nematode injury look like?
thinning and stuniting of plants
(similar to drought stress)
how do mole crickets injure turf?
they feed on plant roots
where would you find mole cricket hot spots?
areas with high soil moisture
what quick test helps diagnose billbug injury?
tug test
Name a biological control for lepid larvae in turf.
entomopathogenic nematodes
how do ABW adults injure grass?
they notch leaves and chew holes in the stems to lay eggs
Describe chinch bug damage on turf.
stipple and general thinning
What time of year should you sample nematode populations?
in the Fall
What time of day should you apply insecticides for cutworms?
late in the day
describe and adult sod webworm
dingy colored moth with rolled wings