WDI Exam
In order of severity, what are the 3 signal words/terms found on pesticide labels which
indicate a pesticide's risk/deadliness to humans? - answer Caution, Warning, Danger
Using barriers to prevent pests from getting into an area is an example of which type of
pest management method? - answer Mechanical
*** What does LD50 indicate? - answer Lethal dose to 50% of test subjects
The routes of entry statement "Extremely hazardous by skin contact- rapidly absorbed
theough the skin." on a label would most likely carry which signal word? -
answerDanger
Which signal word/term is associated with very low oral LD50 values? - answer Danger
- Poison
How often should work clothes worn to apply pesticides be laundered with a suitable
detergent? - answerAfter each day's use
Determining when to apply a pesticide includes considering the ____ of the pest, as well
as the ____ conditions. - answerLife cycle, Weather
Which application method involves uniformly applying a pesticide to an entire area or
field? - answerBroadcast
Which dry/solid formulation is mixed in water and reduces the risk of inhalation
exposure dring mixing and loading? - answerWettable powder (WP)
What time of day should a pesticide be applied to best protect bees from pesticide
injury? - answerIn the evening, or at night
How many types of termites are inspected for? - answer3
What are the types of termites that are inspected for? - answerSubterranean,
Dampwood, Drywood
How many castes of termites are there? - answer3
What are the types of termite castes? - answerWorkers, Soldiers, Swarmers
What is the 2 primary ways to identify a Formosan soldier? - answer- Teardrop-shaped
head
, - Crossed mandibles/jaws
What are the 3 features of a drywood termite fecal pellet? - answer- 6-sided/dimpled
- Pointed on one end
- Flat on the other end
*conical shape*
Name 3 types if termiticides - answerRepellents, Non-repellents, Baits
Name 3 termite treatment application procedures - answerTrenching, Rodding, Foaming
Name 3 categories of wood destroying beetles - answerLyctid, Anobiid, Bostriched
Name 3 species of wood destroying beetles - answerPowder post, Furniture, Old house
borer
Do carpenter ants eat wood? - answerNo
What is the typical size range of carpenter ants? - answer1/4" - 3/4"
Which gender of carpenter bees will sting humans? - answerFemale
How much moisture content in wood allows fungi to grow? - answer20% or more
What caste of termite makes up the majority of a colony? - answerWorkers
Name 3 areas that should be inspected on the interior of a structure - answerKitchen,
Bathroom, Utility closet/room
Name 4 things commonly found in carpenter ant frass - answerShredded wood, Drywall,
Insulation, Dead ants/insects
What physical characteristic visually distinguishes carpenter bees from
bumble bees? - answerCarpenter bees have hairless abdomens (butts)
What works better to deter carpenter bees - wood stain or latex paint? - answerLatex
paint
What is the size of the entrance/hole to a carpenter bee nest? - answer1/2" diameter
What caste of wood boring beetle does the most damage? - answerLarvae
How long is the life cycle of most powderpost beetles? - answerOne year
T/F : You must have a TDA license to perform structural pest control, regardless of the
pesticides used. - answerTrue
In order of severity, what are the 3 signal words/terms found on pesticide labels which
indicate a pesticide's risk/deadliness to humans? - answer Caution, Warning, Danger
Using barriers to prevent pests from getting into an area is an example of which type of
pest management method? - answer Mechanical
*** What does LD50 indicate? - answer Lethal dose to 50% of test subjects
The routes of entry statement "Extremely hazardous by skin contact- rapidly absorbed
theough the skin." on a label would most likely carry which signal word? -
answerDanger
Which signal word/term is associated with very low oral LD50 values? - answer Danger
- Poison
How often should work clothes worn to apply pesticides be laundered with a suitable
detergent? - answerAfter each day's use
Determining when to apply a pesticide includes considering the ____ of the pest, as well
as the ____ conditions. - answerLife cycle, Weather
Which application method involves uniformly applying a pesticide to an entire area or
field? - answerBroadcast
Which dry/solid formulation is mixed in water and reduces the risk of inhalation
exposure dring mixing and loading? - answerWettable powder (WP)
What time of day should a pesticide be applied to best protect bees from pesticide
injury? - answerIn the evening, or at night
How many types of termites are inspected for? - answer3
What are the types of termites that are inspected for? - answerSubterranean,
Dampwood, Drywood
How many castes of termites are there? - answer3
What are the types of termite castes? - answerWorkers, Soldiers, Swarmers
What is the 2 primary ways to identify a Formosan soldier? - answer- Teardrop-shaped
head
, - Crossed mandibles/jaws
What are the 3 features of a drywood termite fecal pellet? - answer- 6-sided/dimpled
- Pointed on one end
- Flat on the other end
*conical shape*
Name 3 types if termiticides - answerRepellents, Non-repellents, Baits
Name 3 termite treatment application procedures - answerTrenching, Rodding, Foaming
Name 3 categories of wood destroying beetles - answerLyctid, Anobiid, Bostriched
Name 3 species of wood destroying beetles - answerPowder post, Furniture, Old house
borer
Do carpenter ants eat wood? - answerNo
What is the typical size range of carpenter ants? - answer1/4" - 3/4"
Which gender of carpenter bees will sting humans? - answerFemale
How much moisture content in wood allows fungi to grow? - answer20% or more
What caste of termite makes up the majority of a colony? - answerWorkers
Name 3 areas that should be inspected on the interior of a structure - answerKitchen,
Bathroom, Utility closet/room
Name 4 things commonly found in carpenter ant frass - answerShredded wood, Drywall,
Insulation, Dead ants/insects
What physical characteristic visually distinguishes carpenter bees from
bumble bees? - answerCarpenter bees have hairless abdomens (butts)
What works better to deter carpenter bees - wood stain or latex paint? - answerLatex
paint
What is the size of the entrance/hole to a carpenter bee nest? - answer1/2" diameter
What caste of wood boring beetle does the most damage? - answerLarvae
How long is the life cycle of most powderpost beetles? - answerOne year
T/F : You must have a TDA license to perform structural pest control, regardless of the
pesticides used. - answerTrue
