1-90 PRELIM Flashcards
This is the study of insects
Entomology
An unwanted organism which competes with man for food and shelter or theatens their health comfort and welfare
Pest
A category of pest that cause no significant damage under the conditions currently prevailing, however, this can be a key or occasional pest if conditions in the field is disrupted
Potential
Insects became pest because of
Man
Term used for non-resident pest
Migrant
Pest that are focal point of pest management systems
Key
Part time pests
Occasional
Prediction technology is used to prevent this pest’s outbreak
Potential
Where would you least likely find insects
North Pole
NOT a characteristic of anthropods
Radial symmetry
NOT true of all insects
Have 3 body parts
Only insects have this characteristic
3 pairs of jointed legs
Insects with complete metamorphosis
Holometabolous
“Anthropoda” comes from a latin word meaning?
Jointed legs
Insects with incomplete metamorphosis
Hemimetabolous
Change in form during postembryonic development
Metamorphosis
The aquatic immature stage of hemimetabolous insect
Naiad
The terrestrial immature stage of hemimetabolous insect
Nymph
The inactive stage of holometabolous insect
Pupa
Human louse’s life cycle
Ametabolous
The insect’s outer covering
Exoskeleton
The hardening process of insects exoskeleton
Sclerortization
The insects intergument is made up of
Sclerotin
The hardened plates of insects intergument
Sclerites
The siender hair-like structure of insects outer covering
Setae
The small flat-like unicellular outgrowths of the insects body wall
Scales
External body process except this
Quinones
This sensory part of organ is NOT found among insects
Chelicera
The sensory organ of insect
Antennae
The first segment of the insect antennae
Scape
The setacious antennae is found among
Grasshoppers
Insect’s outer covering is made up of
Sclerotin
The elbow-type like antennae found among ants
Geniculate
This aristate type of antennae is found among
Houseflies
NOT type of insect antennae
Hamuli
NOT/EXCEPT Organs/structure that found in the head of insect
Tibia
The light sensing organ of insects
Compound eye/simple eye
The single eye unit of the insect’s compound eye
Ommatidium
The simple eye of insects
Oceli
Another term for siphoning mouthtype
Haustellate
NOT part of mouthparts in insect
Tibia
In the piecing-sucking type of mouthparts, this component cannot be insert into the host plant, hence it bends when the insects is feeding
Labrum
In the chewing type of mouthparts, this component cuts and grinds the food.
Mandible
This type of antennae is found among mosquitoes
Plumose
The hexagonal areas in the insects compound eye
Facets
Another term for chewing mouthtype
Mandibulate
The piecing-sucking mouthtype
Haustellate
Insect with piecing-sucking mouthtype
Mosquito
In insects where are the Wing’s found
Thorax
The opening to the respiratory system of an insect
Spiracle
In insects where are the cerci located
Abdomen
The locomotory region of the insects body
Thorax
In insects where are the genetelia found
Abdomen
In caterpillar where are the prolegs located
Cephalothorax
Preying mantis use it’s forelegs to catch Their prey
Grasping
Headlice use these type pf legs to anchor themselves on the host
Clinging
Another term for jumping legs
Saltatorial
Houseflies and mosquito’s are
Dipterans
Insect with digging legs
Cricket
The pest population density where the cost of control is much higher than the expected cost of harvest of the protected crop
Economic injury level
The insect order characterized by having scales on its membranous wings
Lepidoptera
Cockroach belongs to this order of insects
Blatoddea
Orders of butterflies, moth & skippers
Lepidoptera
Orders of beetles and weevil’s
Coleoptera
This type of pheromone ants have
Trail phemorone
An insect that carries pathogenic organisms
Vector
Order of social insects
Hymenoptera
A modern approach to minimize damage by pest with ultimate goal of population management rather than eradication
Integrated pest mgt
A biological control agents that consumes many preys in its lifetime
Predator
Vector of tungro disease
Green leafhopper
Can be used as a biological agents of weeds
Parasites, pathogen,predator= ALL OF THE ABOVE
Exclusion includes
Quarantine methods
Eradication includes
Mechanical control
Legally enforced stoppages is a kind of
Exclusion
Providing barriers are part of
Protection
Getting rid of pests that are already in the area is
Eradication
Most important pest of coconut
Brontispa
Major pest of rice
Thrips
Major pest of corn
Borers
Science of shielding the crop’s againts pest
Crop protection
A sperm reservoir in female insects
Spematheca
Organ of insects for liquid waste disposal
Malphigian tubes
Insect blood is called
Haemolymp
The central nervous system
Brain
Insects internal body cavity
Haemocoele
Organism having 3 body region
Insects
The hearing organ of insect
Tymphanum
The center of insects circulatory system
Heart chamber
Organ of insects for egg laying
Ovipositor
Insects blood cell
Haemocytes
Science that deals with the study of nature and causes of plant diseases
Plant pathology
A disease that causes famine in Ireland
Potato late blight
disease that destroyed vast coffee plantation in England
Coffee rust
disease that causes tremendous loss in coconut industry
Bud rot
disease that causes a nemesis of corn
Downy mildew
disease in human that was believed to be a divine punishment
Holy fire
disease in rye that causes gangrene in human
Ergot of rye
The causal agents of rye disease
Claviseps sp
The annual festival of Romans to placate their rust GOD
Robigalia
The Romans rust GODS
Robigo
Disease causing agents
Pathogen
Abiotic factor that causes disorder
Pyschiopathogen
Biotic factor that causes diseases
Pathogen
Capacity of organism to cause diseases
Pathogenicity
Disease deveopment in plants
Pathogenisis
Sequence of events that leads to disease prod’n
Disease cycle
Parasite on both dead organic matter and living tissue
Facultative
A plant that is being attacked by a pathogen
Host
Structure of pathogen found associated with the infected plant
Sign
Another term for suseptible host
Suspect
Parasite on dead organic matter
Saprophytes
Microbes found associated with the disease (a.
Sign
Any disturbance on the physiological process of plants
Disease
Parasite that attacks and subsist only on living tissue
Obligate
Visible response by the suscept to a pathogenic invasion
Symptoms
Any part of the pathogen that initiate infection
Inoculum
Identification of disease by their symtom and sign
Diagnosis
Manifestation of the host on the harmful activity of microorganism
Symptom
Injurious physiological process caused by microbes
Disease
Any part of the plant that can be infected
Infection court
Microbes undergo genetic changes due to
Mutation
Yellowing of the leaves due to biotic agents
Chrolosis
Localized necrotic lesion on the leaf
Spot
Symptoms with disintegration/decomposition of host tissues
Rot
Slightly raised rough ulcer like lesions due to overgrowth of tissues
Scab
Yellowing of the leaves due to abiotic agents
Etiolation
Symptoms that involves the death of the protoplast
Spot
Symptoms that involves extensive sudden death of host tissues
Scab
Symptms often sunken necrotic area with cracked borders
Cancker
Yellowing of the leaves due to inadequate sunlight
Etiolation
watery decomposition of tissues
Soft rot
hard dry shrivelled fruit
Mummification
Symptoms having a pale translucent veins
Vein clearing
Sharply defined variegated color pattern
Mosaic
Disorder on water logged areas
Black heart
Symptoms of over expose to air particulates
Premature premining
Disorder having unfavorable oxygen relation
Black heart
Symptom with extremely low temperature
Chiling injury
Disorder with extremely high temperature
Scorching
Common air pollutants
Ethylene
A psychiopathogen
Water
Hypoplastic symptoms
Chrolosis
Necrotic symptoms
Galls, chrolosis, canker
Hyperplastic symptoms
Galls
Common fruit disease except
Etiolation
Common leaf diseases except
Scab
Common fruit diseases except
Galls
Fruit infection
Soft rot
Common leaf diseases
Chrolosis
A facultative parasite
Fungi
Common saprophytes except
Virus
A saprophytes
Fungi
Common decomposers
Fungi
Common obligated parasite
Virus
Common obligate parasite except
Bacteria
Example of virus infected symptoms
Mosaic, vein clearing, mottle
Bacteria infected symptoms
Soft rot, blight
Common fungal diseases except
Antrachnose
Example of diseases except
Blossom end rot
Acellular particle that cause disease
Virus
Mode of virus reproduction
Replication
Acellular particle made up of nucliec acid core
Viroids
An organism considered to be a mobile packets of genetic information
Virus
Acellular particle made up of capsid
Prions
A procaryotic undefferentiated pathogen
Bacteria
Typical form of plant pathogenic bacteria
Bacili
Common genera of bacteria
Ralstonia
Common genera of bacteria
Ralstonia
Pseudomonas sp. causes
Wilt
Erwinia sp. causes
Rot
Agrobacterium sp. causes
Galls
A spore forming facultative parasite
Fungi
Non motile spores of fungus
Apionospores
The vegetative structure of fungi
Hypha
Group of threadlike fungal filament
Hypha
The resting spores of fungus
Sclerotioum
The Myxomycetes
Slime molds
Chytridiomyctes
Having zoospores
Oomyctes
Water molds
Example of ascomycetes
Sac fungi
The deuteromycetes
Imperfect fungi
Example of fungal spores
ascospores b. basidiospores c. arthrospores
Sac like structure that carries the spore
ascus b. basidium c. conidium
Mushroom belongs to class
Basiomycytes
Molds means
Fungi
Sign means
Microbes
Disease development requires the presence of except
Human
A term that describe a global disease occurrence
Pandemic
Localized disease occurrence
Epidemic
