What email address or phone number would you like to use to sign in to Docs.com?
If you already have an account that you use with Office or other Microsoft services, enter it here.
Or sign in with:
Signing in allows you to download and like content, and it provides the authors analytical data about your interactions with their content.
Embed code for: CS 254 PICTURES All
Select a size
Armoured scales NEZARA VIRIDULA Body usually pubescent or spinous e.g. Leptoglossus spp., Anoplocnemis curvipes, Clavigralla tomentosicollis, C. shadabi, Riptortus dentipes Leptoglossus spp. Family: Pyrrhocoridae Red bugs/cotton stainers Often brightly multi-colored - red, yellow, brown, white Antenna 4 segmented Lacks hair on body Beak four segmented but extends as far as and lies in a groove along the abdomen. e.g. Dysdercus spp. SAHLBERGELLA SINGULARIS COCOA CAPSID ASSASSIN BUG Sucking Beak CLASSIFICATION of HYMENOPTERA 2 Suborders: Symphyta: Sawflies and horntails Apocrita: Bees, ants and wasps SUBORDER: SYMPHYTA Larvae are like caterpillars with thoracic legs & prolegs But possess 6 – 8 pairs of prolegs Prolegs lack claspers ORDER: DIPTERA (True flies) DIPTERA LARVAE Diptera are Holometabolous Larvae usually legless In some species head greatly reduced and taper anteriorly Called maggots DIPTERA PUPAE Pupal appendages may be visible or develop internally inside the puparium, hence invisible Different forms of elephantiasis FACIAL ELEPHANTIASIS YAWS (Treponema pertenue) SIMULIDAE (NEMATOCERA) (BLACK FLIES) Simulium damnosum in W. Africa S. sanctipauli in Ghana (River Pra) S. neavei in E. Africa SKIN SYMPTOMS OF ONCHOCERCOSIS Live and dead microfilariae cause many problems including: skin rashes, lesions, intense itching and depigmentation of the skin, lymphadenitis (resulting in hanging groins and elephantiasis of the genitals) and general debilitation. serious visual impairment and blindness, CECIDOMYIIDAE (NEMATOCERA) Some larvae induce galls in their host TACHINIDAE: TACHINID FLIES Similar in appearance to house flies All species parasitic on other insects Probably most beneficial of the Diptera Some are host specific Many also generalists TEPHRITIDAE: FRUIT FLIES Ceratitis capitata Medfly Anastrepha bistrigata Rhagoletis pomenella Bactrocera invadens Bactrocera invadens : Tephritidae First detected in Mozambique 2003 Moved along equator b/n Mali and Namibia and Mozambique Serious fruit pest in W. Africa Attacks primarily mango But also tomato, banana, guava, citrus, avocado). Internal fruit fly damage symptoms on mango Characterised by several galleries and rot Sessamia sp. Busseola fusca Chilo sp. * Crustaceans Arachnids Diplopoda Chilopoda Symphyla Insects INSECT INTEGUMENT Cross Section of Insect Epicuticle CEMENT WAX CUTICULIN PROTEIN LAYER 5 parts still identified: Coxa Trochanter Femur Tibia Tarsus d. Filiform e. Geniculate f. Lamellate g. Moniliform h. Pectinate SHORT-HORNED GRASSHOPPER RAINBOW BUSH LOCUSTPYRGOMORPHIDAE TETTIGONIIDAE GRYLLIDAE LOCUST SWARM PRIMARY REPRODUCTIVES TERMITE QUEEN THE ROYAL COUPLE WORKER TERMITES WORKER AND SOLDIER TERMITES NASUTE SOLDIER TERMITE Attack food crops and transmit many viral diseases e.g. a. Cofana spp. attack rice and transmit – RYMV b. Cicadulina mbila attacks maize and transmit MSV PLANTHOPPER Spittle bug HIND LEG OF CERCOPIDAE CIRCLET OF SPINES PROMINENT SPINES Suborder: Stenorrhyncha All Stenorrhyncha secrete honey dew, some copiously e.g. aphids, mealy bugs APHIDS MEALY BUGS APHIDS MEALY BUGS Papaya mealybug Soft scales Whiteflies *