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The flies of this family are called ''Sandflies'', with ''Phelebotomus'' the genus of real veterinary significance.  However, in the New World, the genus ''Lutzomyia'', is also of importance.
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*''Phlebotomus'' (Old World except UK) and ''Lutzomyia'' (New World) are both of major veterinary importance
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===Scientific Classification===
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*Common in the tropics
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{| cellpadding="10" cellspacing="0" border="1" 
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| Kingdom
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| Animalia
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|-
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| Phylum
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| Arthropoda
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|-
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| Class
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| Insecta
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|-
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| Order
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| Diptera
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|-
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| Family
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| Psychodidae
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|}
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=''Phlebotomus''=
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'''Recognition'''
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==Hosts==
*1-3mm long
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Most mammals, reptiles, birds and humans.
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*Resemble miniature mosquitoes
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==Identification==
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The adults are small flies, only around 5mm in length.  They have hairy bodies, and are a yellowish colour.  Males have prominent genital terminalia, known as claspers.  Both males and females have long, 16 segment antennae.
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*Hairs on wing margins and veins
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The eggs are dark brown or black.
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==Life Cycles==
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Eggs are laid, and hatch into larvae in 1-2 weeks.  The larvae then undergo four further larval stages, before reaching the pupae stage.  The adults emerge from pupation around 10 days later.
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'''Life cycle'''
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The complete life cycle is between 30-100 days.
*Eggs are laid on the ground or in cracks on floors
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*Life cycle takes '''1-2 weeks''' to complete
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=''Lutzomyia''=
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''Lutzomyia'' is responsible for transmission of leishmaniasis.  The sand fly carries the disease from infected animals, and then infects a new host whilst feeding, thus transmitting the disease.
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Only the females suck blood, and lays large numbers of eggs in dark, humid areas.  They undergo three larval transformations before pupating, and then turn into adults.
'''Pathogenesis'''
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*Males are [[Nuisance Flies|nuisance flies]]
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*Females suck blood
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*Transmit [[Leishmania|''Leishmania spp.'']]
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**Responsible for cutaneous and visceral leishmaniosis in humans, using dogs as reservoir hosts
       
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