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CDFA IPM License Exam Questions with
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Of all the various parasites of Filth Fly they typically attack what? - ✔✔pupae What do Starlings eat in the summer - ✔✔soft fruit What do Starlings eat in the winter? - ✔✔cattle feedlots Which is NOT a control for Klamath Weed? - ✔✔buprestid beetle Anargus epos is a parasite of grape leafhopper that attacks what life stage? - ✔✔eggs The parasite Aphelinus mali is a parasite of woolly apple aphid, but is also a parasite of what other insect? - ✔✔cotton aphid and apple aphid A type of root knot nematode is found in a grape vineyard. What information is needed for proper management? - ✔✔only that they are root knot nematodes How to manage vineyard once it is determined to have root knot nematodes present? - ✔✔fallow ground for 4 years and precede planting with grass crops like barely or sundagrass
Best prevention of Pierces Disease - ✔✔resistant varieties
Which chemical causes aerial distress displays and vocal distress call and works as a flock frightening agent? - ✔✔Avitrol What is the most effective method for mole management? - ✔✔kill traps Which is the best description of zinc phosphide? - ✔✔heavy, finely ground black gray powder (also smells like powder) Which of the following is evidence of gopher activity? - ✔✔crescent mounds (gopher activity is shown through crescent mounds) What kind of damage would be seen in an orchard if meadow vole were present? - ✔✔gnawing at the bark What does volatile mean? - ✔✔a chemical that vaporizes at normal temp and contact with air Owner has problem with ground squirrels on his property. What does he need in order to use an anticoagulant on the pest? - ✔✔a bait that is labeled for this use and registered with the Department of Pesticide Regulation Which of the following is a California noxious weed? - ✔✔Purple Loosestrife
What is the major drawback of using insect growth regulators - ✔✔doesn't work on adults What odor does a zinc phosphide coated bait give off - ✔✔garlic How are muskrats classified - ✔✔fur bearers Which pesticide causes the greatest threat of drift during application - ✔✔2, 4-D What is the greatest hazard when first applying pesticide - ✔✔spray drift Which best describes Q rating - ✔✔a temporary rating and under eradication action What type of reproduction system in parasitic hymenopterans result in all females - ✔✔thelytoky What is the name of a substance that readily forms a suspension with water - ✔✔wettable powder In plants, what is the use of energy to make living material - ✔✔assimilation When did the development of modern pesticides take place - ✔✔WWII (1939-1945) What is Vedalia Beetle a control for - ✔✔Cottony cushion scale
What is translocation - ✔✔movement of sugar through the plant Besides near housing, where is the roof rat also a pest - ✔✔citrus fruits What is inoculative release - ✔✔like releasing a slow acting pesticide, small release from permanent population, and conserve and augment control agent Control of Botrytis Bunch Rot - ✔✔canopy maintenance, fungicide, and resistant varieties Which weed rarely reproduces by seed in California - ✔✔alligator weed What is necessary to do if you move an apiary within the same county it is currently located - ✔✔nothing Which is Not and entomophagous insect - ✔✔darkling beetle Which is not a predator - ✔✔cotton aphid Most widely spread thistle - ✔✔yellow star thistle
What describes the interactions between all organisms and their surrounding habitiat - ✔✔ecosystems Which virus is not used for insect control - ✔✔arbovirus What do trichogrammatid wasps parasitize - ✔✔eggs What is demonstrated by a farmer picking up fallen fruit - ✔✔sanitation to manipulate the environment Which is direct damage of grapevines - ✔✔insect eating grapes Which is indirect damage - ✔✔insect damaging part of plant that is not harvested What is NOT involved in classical biological control - ✔✔Letting populations of current pest and predators stabilize What is the vector of relapsing fever - ✔✔tick What is the cinnabar moth a biological control for - ✔✔tansy ragwort
How to contest a determination of an American Foulbrood Disease infestation? - ✔✔send specimen of infested hive, collected with inspector, to Director of CDFA along with written appeal How long does a hold notice last on an apiary - ✔✔until released Confidentiality of beekeeper records can be disclosed to who - ✔✔state and county agricultural departments Where is the only place an apiary can be transported if infested - ✔✔licensed wax salvage plant What can be salvaged from a diseased colony - ✔✔hive bodies (crates, boxes, ect.) What animal builds mud nests on the side of buildings - ✔✔cliff swallows How do bees transport pollen - ✔✔hind leg receptacles If the value of a crop decreases what happens to the Economic Injury Level - ✔✔it increases What is Economic Injury Level - ✔✔depends more on the insect damage that can be tolerated rather than population size
What is the term for a domestic animal that escapes and becomes established in the wild - ✔✔feral animal Which is a biological control for Pacific Spider Mites and Rust Mites - ✔✔six spotted thirp Anagrus epos a parasite of grape mealybug attacks what - ✔✔eggs Honey bees are major pollinators of which crop - ✔✔alfalfa Parasite of Alfalfa Butterfly is medicaginus cotesia, what does it attack (what stage) - ✔✔early instar What is eradication - ✔✔usually pertains to outbreak of pest that is exotic from long distances away and to completely remove a pest from an area What is true when putting out anticoagulant bait - ✔✔enough is put out for multiple feedings What is inverse emulsion - ✔✔water suspended in oil Which shows evidence of gopher activity - ✔✔crescent mounds
Which ladybug does not feed on aphids - ✔✔cryptolaemus montruzierri What is an example of a cultural control that interrupts pest damage in time - ✔✔crop rotation What pesticides are most persistent in soil - ✔✔monuron and picloram ( more persistent) Why is oil herbicides not a good control for use on grasses - ✔✔because of the protective waxy surface of grass What is the definition of classical biological control - ✔✔control of a pest by the introduction of a natural enemy or predator What is the definition of biological control - ✔✔augmentation and conservation Something about Phytophthora megasperma - ✔✔control/management? Parasite of field bindweed - ✔✔? Burrow baiting machine - ✔✔gophers; impact on soil; wet, dry, type? whats best for machine Walnut aphid - ✔✔yes
Parasitic wasp - ✔✔trioxys pailious lays eggs in adult aphid Definition of integrated pest management (IPM) - ✔✔IPM focuses on long-term prevention of pests or their damage by manageing the ecosytem Starlicide - ✔✔bird pesticide; kills starlings; molecule with central benzene ring Avitor - ✔✔not a real word, but possibly related to avicide, which is an aviary pesticide in general (starlicide) Warfarin - ✔✔blood thinner to prevent blood clot (starlicide) Thallium sulfate - ✔✔poison, but targeted towards humans (starlicide) Emulsion - ✔✔oil suspended in water (needs an emulsifier to stay mixed together) Inverse emulsion - ✔✔water suspended in oil (needs an emulsifier to stay mixed together) Translocation in plants - ✔✔transport of food or pesticides through phloem or xylem
Arboviruses - ✔✔not used for insect control Pea Aphids - ✔✔causes damage on alfalfa, peas, and clovers Chemical pesticide use - ✔✔the main period for early modern pesticides was first laid down in the 1910s. However, it wasn't prominent until 1940-1950s, during WWII. The insecticide that was commonly used was DDT. First weed killers were in 1944, which is 2-4D Cliff Swallows - ✔✔build mud nests Crowned Sparrows - ✔✔damages cherries, tree fruits and vines European Starling - ✔✔damages to citrus eats grains and insects Horned Lark - ✔✔feeds on lettuce Birds that feed on lettuce - ✔✔house finches and crowned sparrows (but not as bad as horned lark) Cattails management - ✔✔typically best to cut below the water level so that it suffocates the plant and not providing any oxygen
Chemical treatments work well, however, it usually affects the water supply and kills off other life in the pond Roof rats - ✔✔usually lives in trees/shrubs smaller bodies with longer tails feeds on fruits, nuts, berries and slugs/snails agile climber Norway rats - ✔✔usually burrow bigger bodies with shorter tails (tail shorter than body) feeds on cereal grain, meat, fish and nuts What type of mounds do gophers make - ✔✔crescent mounds Signs of meadow voles - ✔✔-well traveled above ground runways that connect borrow openings - runways are usually covered by a protective grass layer and are about 1.5 - 2.0 inches in diameter Damages of meadow voles - ✔✔-feeding on garden plants and rooted plants (carrots, radishes, ect.)
- damaging turf and landscape plants (lilies & dichondra)
- gnawing on the bark of fruit trees, but only visible a few inches below ground
- they eat bark and roots of trees and store seeds and plants in underground chambers
What causes black measles - ✔✔fungi that attack old vascular tissue of grapevines. Chlorotic damages can be seen on the interveinal areas of leaves that enlarge and dry out. This will cause a 50% reduction in shoot growth Treatment for black measles - ✔✔liquid lime sulfur make sure it gets in the cracks & crevices of the vine because the's where fungal fruiting bodies reside What vines are more susceptible to being infected by measles - ✔✔vines 10 years or older What shouldn't you do if a vine is infected with black measles - ✔✔prune because pathogen can enter through prune wounds and infect the vine again Experimental phase of black measles - ✔✔using wax or tree tar to fill holes in the vines (fungus can't get in if holes are plugged up Crown gall - ✔✔bacteria that affects grapevine wood Where can gall formations be seen - ✔✔canes, trunks and roots Why can newly planted vines be infected with crown gall - ✔✔pathogens can survive for several years buried in the soil
Where do galls commonly develop - ✔✔where plants have been suckered or injured during cultivation or pruning; also by freezing temperatures that damage the vine What may gall formations do to infested vines that are grafted or T-budded - ✔✔push the bud shield or graft union off the vine Treatment for gall - ✔✔good sanitation, avoidance of injury and avoidance of infected wood Will heat treatment of plating stock kill bacteria (gall) - ✔✔yes, but once planted it can be reinfected Are chemical treatments effective against gall - ✔✔no Vector for Pierce's Disease - ✔✔sharpshooters - glassy winged; blue-green; green; red-headed What is not a vector for Pierce's Disease - ✔✔grape leafhoppers Cause of Pierce's Disease - ✔✔bacteria residing in xylem of plants Pierce's Disease treatments - ✔✔insecticide treatments to control vectors in adjacent areas of vineyards to reduce the number of sharpshooters (most effective control thus far)
