Prevention of Lice and Cockroaches Flashcards
What is Pediculus Humanus Humanus and where is it found?
(1) Body Louse
(a) Usually found on areas of the body other than head and neck.
(b) Attaches nits to clothing and undergarments.
What is Pediculus Humanus Capitis and where is it found?
(1) Head Louse
(a) Usually found on the head and neck.
(b) Can be located in other hairy parts of the body.
(c) The egg of the head louse (called a “nit”) is cemented to the hair.
What is Phthirus Pubis and where is it found?
(1) Crab Louse
(a) Usually found on hairs in the pubic, anal regions, and eyebrows.
(b) Can be located in other hairy parts of the body.
(c) Cement nits to the hair.
Control methods for lice
(1) Insecticidal ointment/shampoos such as Elimite (permethrin)
(a) Family members should be treated simultaneously.
(2) Wash all clothing and linens at 37.8ºC (100ºF) or higher.
(3) Wash all brushes and combs with hot water and soap.
(4) Avoid use of common articles of personal hygiene and grooming
German Cockroach Characteristics
-Tan or straw colored with two longitudinal dark stripes near the head.
German Cockroach Habits.
(a) Most common indoor species, especially in and around food services spaces and facilities.
(b) Need food, water, harborage, and warmth for growth and survival.
Brown-banded cockroach characteristics.
-Lighter in color than the German cockroach.
-Two yellow cross bands near the base of the adult wings and two transverse light bands on the dorsal surface of the nymphs.
Brown-banded cockroach
(a) Prefers living rooms, dining rooms and bedrooms and closets of dwellings.
(b) It is a common pest in hotels and motels and often found in hospital wards.
(c) It is not considered a food service area species.
American cockroach Characteristics.
Appearance of adult.
1) Dark reddish-brown.
2) 35 mm long.
3) The anterior dorsal plate behind the head has conspicuous yellow posterior border strip
American Cockroach Habits
(a) Filthy habits, moving from shelter or breading area to food sources
(b) Potential dangerous disease vector.
What is the most important non-chemical measure to control cockroaches
Sanitation
Control Methods for All Cockroaches
Sanitation
(1) Store food properly
(2) Garbage and other refuse should be in containers with tight-fitting lids and cleaned daily
(3) Food restricted from berthing
(4) Reduction of food sources and general cleanliness
Control Methods for All Cockroaches
Eliminate harborages.
(a) Old and torn insulation.
(b) Areas between walls.
(c) Areas behind drawers, oven hoods, under counters and serving lines.
(d) Hollow legs
(e) Holes for plumbing and electrical lines
Control Methods for All Cockroaches
Surveillance and Chemical control
-Visual inspection for cockroach harborages
-Survey every 2 weeks in food service areas
-Apply pesticide as a supplement for sanitary control measures
How long should you refrain from a complete field day after using insecticides?
24 Hours
