practical entomology

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Arthropods of Medical Importance:

Arthropods of Medical Importance Identification Medical Importance Mechanism of disease transmission Control of mosquitoes - Scabies- Miyasis (Practical only)

PowerPoint Presentation:

Larvae of Arthropods Culex larva Long narrow siphon Aedes larva Anopheles larva Musca posterior spiracles Calliphorinae posterior spiracles Sarcophaginae posterior spiracles No siphon Palmate hairs D-shaped peritreme Pear-shaped closed peritreme Open peritreme 3 sinuous slits 3 straight slits 3 straight slits Short broad siphon Body is composed of head, thorax & abdomen

PowerPoint Presentation:

Musca eggs

PowerPoint Presentation:

Adult Sand fly Adult ♂ Phlebotomus Adult ♀ Phlebotomus Humped thorax 2 pairs of claspers Humped thorax 2 anal cerci Lanceolate-shaped wings Small, hairy & pale-yellow in colour

PowerPoint Presentation:

Larvae of Arthropods Culex larva Long narrow siphon Aedes larva Anopheles larva Musca posterior spiracles Calliphorinae posterior spiracles Sarcophaginae posterior spiracles No siphon Palmate hairs D-shaped peritreme Pear-shaped closed peritreme Open peritreme 3 sinuous slits 3 straight slits 3 straight slits Short broad siphon Body is composed of head, thorax & abdomen

Pediculus (Lice) and Cimex (Bugs):

Pediculus (Lice) and Cimex (Bugs) Adult Pediculus Adult Cimex Brown chitin No brown chitin Well developed legs with tibial process & claw ill developed legs Body is flattened dorsoventrally

Bed Bug:

Bed Bug

Bed Bug(Cimex):

Bed Bug(Cimex) male female

Cimex eggs:

Cimex eggs

Cimex:

Cimex Cimex bite on skin Cimex on human skin

Adult male lice:

Adult male lice

Adult female lice:

Adult female lice

Egg of lice:

Egg of lice

Tunga penetrans:

Tunga penetrans In dusty soil Causes Chigger’s or Jigger’s disease. Found in South America. It attacks humans walking bare-footed on dusty soil Has angular head

PowerPoint Presentation:

Adult Ticks Body is one piece & has 4 pairs of legs Adult hard tick Adult soft tick Festoons Subterminal capitulum NO Festoons NO scutum look at Capitulum Terminal Subterminal Terminal capitulum Scutum present بارز من الجسم غير بارز من الجسم

Adult male hard tick:

Adult male hard tick

Female hard tick:

Female hard tick

PowerPoint Presentation:

Adult Cyclops Body is composed of cephalothorax and abdomen Adult Cyclops 2 rami

Male&Female:

Male&Female Female Male Arthropode Light hair Dense hair Mosquitoes Cerci Claspers Sand fly Spermatheca Aedeagus Flea Notched posterior end Aedeagus Lice Rounded posterior end Aedeagus Cimex Scutum over the anterior end Scutum all over the body Hard tick

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