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Entomology Final Exam
Insect Movement and orientation, Social Insects, Vectors of Disease, forensic entomology
84
Biology
Undergraduate 3
05/06/2010

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Term
wading birds
Definition
collect insects on legs
Term
lice
Definition
attach eggs to hair/feathers of animals
Term
active locomotion
Definition
large ganglia often fused (eg cocrosches)
Term
thoracic ganglia
Definition
head cut off still runs
Term
3 legs on ground
Definition
walk via levator + depressor
Term
kinesis
Definition
undirected (speed/frequency depends on intensity of stimulus)
Term
taxes
Definition
direction towards or away
Term
xray
Definition
ant speeds up with exposure
Term
phototaxis
Definition
attraction to/from light. eg. catapillars dark, moths light
Term
klinotaxis
Definition
compare light intensity by two eyes eg maggot
Term
thigmotaxis
Definition
stimulated by contact ahead, eg procession catapillars starve
Term
geotaxis
Definition
gravity
Term
chemo/anemotaxis
Definition
chemical scent/low pressure in air (downwind) eg locusts
Term
polarotaxis
Definition
polarization eg mayflies lay eggs on asphalt
Term
tropotaxis
Definition
simultaneous intensity by 2 sides of body; loss of 1 receptor = circular movements
Term
telotaxis
Definition
when lose 1 receptor, switch to only need one (eg honey bees)
Term
dung beetles
Definition
chemotaxis (olfaction), polarotaxis (to fly straight)
Term
hopping insects
Definition
plague locusts migrate across continents
Term
locusts
Definition
use menotaxis and others
Term
menotaxis
Definition
constant angle with sun/ other individuals
Term
moon-like stimulus
Definition
at night, insects spiral into light based on angle (menotaxis)
Term
honeybees
Definition
compensate for sun, know distance to hive, can learn other "dialects" of "language"
Term
bee dance
Definition
distance and direction (wriggles and patterns)
Term
Army ants
Definition
random movements, fractal running; no plan
Term
monarch butterfly
Definition
canada --> Mexico
Term
global warming
Definition
insect distribution ^ worldwide
Term
nectar
Definition
70% honeybee's weight; important
Term
introduced insects
Definition
1/2 minor pests, 1/3 harm, 1/4 beneficial
Term
psychiatry
Definition
entomophobia (urban vs rural?)
Term
risk of vector-borne diseases
Definition
globalization, global warm, resistances
Term
Malaria
Definition
mosquitos; tropics, latency, 3 mil die/yr; liver, temperature cycle with redbloodcell bursting. plasmodium mates inside mosquito
Term
Dengue
Definition
mosquitos; a. aegypti, souther US, SE Asia, Australia. fever, rash, muscle/joint pain
Term
Yellow fever
Definition
>1mosquito sp: Panama canal. bush/urban types, affects liver: bile
Term
Elephantiasis
Definition
lymphatic system, worm larvae carried by mosquitos
Term
Leishmaniasis
Definition
sandflies carry flagellate; itch causes legions
Term
Chagas disease
Definition
South Am. caused by nocturnal hemiptera
Term
Tsetse Flies
Definition
affect cattle AND wild animals thus can't be eradicated; produce full pupae almost viviperous. trypanosoma --> weight loss
Term
african horse sickness
Definition
blind, foam, lose hair, central Afr.
Term
Bedbugs
Definition
irritating, suck blood, leave feces that itch/infect. transmit Hep B/maybe HIV
Term
Typhus/Typhoid
Definition
louse-borne; suck blood, transfers rickettsia bacteria; evolved with ticks > small animals > fleas > humans > lice (die when infected)
Term
Amoebic dysentry
Definition
house flies; amoeba in feces; liver, lungs, brain
Term
botflies
Definition
horse, cattle internal parasite as larvae (human as well)
Term
myasis
Definition
sheep (strike) larvae bore into tissue near feces (tail)
Term
trachoma
Definition
house flies : blindness: Africa MidAsia
Term
leprosy
Definition
insects involved? long latency period, not contageous; Brasil, Philippines, India
Term
Fleas
Definition
plague; 3 big plagues (1300-1400 black death bubonic: lymph nodes swell, skin lesions; necrotic, bleeding systemic disease) yersinia pestis bacteria by xenopsyla cheopis flea
Term
bee disease
Definition
honey bees parasitized, in food to egg, inside pupae, adult (moth)
Term
Plant diseases
Definition
many host plant sp, beetles, hemiptera, some hoppers, plants emit volatiles to combat
Term
fireblight
Definition
looks burnt
Term
cottonball rot
Definition
boll weevil
Term
faunal succession
Definition
insects come in waves (temp, geography, tissues)
Term
forensic uses
Definition
drugs, geography, hygene, stab wound areas, day/night, raining
Term
fly wave
Definition
moist corpse: maggots (1st wave)
Term
beetles
Definition
some carrion beetles, most come later Dermestus: dry material
Term
mites and tiny moths
Definition
fur, dry tissue, leather
Term
fly wasps
Definition
parasitize existing carrion insects
Term
decomposition
Definition
temp down + fleas leave, bloating gas release, putrefaction, color
Term
process of decomposition
Definition
soft tissues (guts), lungs, brain, kidneys, muscles, uterus
Term
necrophagous
Definition
1) eat carrion, beetles flies
Term
predators+parasites
Definition
2) beetles, flies wasps
Term
omnivores
Definition
3) eat either carrion or other insects
Term
adventive
Definition
4) extension of environment in corpse (leave once poisons reach environ)
Term
social insect characteristics
Definition
• Cooperative brood care;
• Division of labor;
• Casts that differ reproductively;
• Overlapping generations;
• Altruistic behavior;
Term
eruption of insects
Definition
aggregations: ladybugs, mayflies
Term
“Magnetic” termites
Definition
sense magnetic fields of Earth and build nest accordingly to avoid direct sunlight from North (parallel to equator) overlapping generations, 50/50% ratio male female. queen has king, decides which sex offspring. Hemimetabolous. Hymenoptera.
Term
swarms
Definition
not necessarily social insects; only aggregates
Term
Marine ants
Definition
live near roots of mangrove forests, can dive into water; parts of nests partially submerged
Term
defender ants
Definition
large heads, huge eyes; ex of polymorphism
Term
slave ants
Definition
main task to kill slavemaster queen; begged by slavemaster ants to give food
Term
leaf cutter ants
Definition
produce sounds, grow fungus, nests ≤30 m diameter
Term
ant herding
Definition
some herd aphids
Term
plant-ant interactions
Definition
eg. honeypot ants. attack predators of plants, gain nectar
Term
army ants
Definition
nomadic, fractal running (random pattern)
Term
solitary bees
Definition
bumble bees, 10 collecting flights a day
Term
highwayman beetle
Definition
follows ant tracks; hard shell protects
Term
ant mimicry
Definition
spiders, crickets, mantids, beetles, flies mimic shape of ant to protect/pray on ants
Term
appeasement glands
Definition
beetle adopted into ant colony when chemical licked by ants
Term
copper butterflies (Lycaenidae)
Definition
larvae secrete subduing fluid to ants, also vibrate (sound to communicate)
Term
wasps
Definition
mostly solitary; carnivorous and feed young insects
Term
examples of social insects
Definition
Wasps, bumblebees, honeybees, termites, ants* must be
Term
aphids
Definition
not social since they do not have overlapping generations
Term
Embioptera; footspinners, Siberia
Definition
not fully social, develop microclimate make own nest and spin silk (in order not to dry out etc. silk galleries;
Hemimetabolous
Term
Passaeidae beetles
Definition
subsocial - the adults live in pairs and raise young; extreme brood care
Term
trophallaxis
Definition
mouth-to-mouth (stomodeal) or anus-to-mouth (proctodeal) feeding in termites; flagellates digest cellulose (symbiosis
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