Cimex lectularius common bed bugggg.pptx

bed bug

1. Cimex lectularius Common Bed bug

2. Systematic position two species Kingdom: Animalia Phylum: Arthropoda Class: Insecta Order: Hemiptera (true bugs) Family: Cimicidae (bed bugs) Genus: Cimex Species: lectularius Common Name: Common Bed bug

3. Distribution can be found almost anywhere in the world where humans have established homes and cities. Human-provide ample blood meal and good harborage Thrive in conditions suitable for human

4. Habit and Habitat found in a wide variety of situations of human dwellings, such as hotel rooms, old buildings, unclean houses and hiding in the crevices ectoparasite feeding upon human blood. Do not feed every day , seek a blood meal once every week or so Can survive many months without feeding nocturnal & very secretive insect strongly attracted by the warmth and odour of human body.

5. Feeding also feed on a variety of other hosts such as poultry, dogs, cats, bats , and rodents Usually feed at night while you are sleeping Hungry bed bugs will feed any time A blood meal takes 3-10 minutes – May change feeding sites on same person during one meal Digested blood is excreted as black or brown fecal spots

6. Morphology Adult flattened , oval-shaped bugs with small, yellowish hairs all over the body. no wings but move very quickly . 5 mm long and 3 mm wide. Color: ranges from brown to reddish-brown . After feeding-turns red.

7. Body: H ead two four-segmented antenna, a three-segmented piercing-sucking mouthpart (proboscis), two compound eyes. Thorax all six legs. Abdomen digestive and reproductive system. The tip of the abdomen is more pointed on male bed bugs and is more rounded on female bed bugs.

8. E ggs shiny and milky-white measure 1 mm. elongated and slightly bowed . N ymphs Immature bed bugs translucent after hatching about 1 mm. turn red after feeding.

9. I’ll live about 10 months and lay between 300 and 500 eggs! Starting as an egg, it takes me 30 days to become an adult! I’ll molt 5 times before I become an adult! three stage developmental stage (incomplete metamorphosis) (i.e., eggs, nymphs, adults). traumatic insemination 6 to 10 days

10. Diseases no pathogens are known to be transmitted to humans by bed bugs. Other suggests that bed bugs may be involved in the transmission of many major human diseases, including hepatitis B, plague, yellow fever, tuberculosis, relapsing fever, leprosy, filariasis , kala azar leishmaniasis , smallpox, Chagas disease, various helminths, protozoans .

11. bites can cause physical and psychological discomfort. Typical symptoms include a raised, inflamed, reddish wheal at each bite site , which may itch intensely for several days. Immediate reactions:1 to 24 h after a bite and may last 1–2 d; delayed reactions:1–3 d ( or more) after a bite and may last 2–5 d.

12. Control Vacuuming Heat/steam (direct) Insecticides Residual application DDT and pyrethroids Fumigation sulfuryl fluoride Freeze