Angular leaf spot

look when using different light sources: when reflected light is used, the lesions look dark green, but when transmitted light is used, they are translucent

Black sigatoka disease

symptoms Black sigatoka (Mycosphaerella fijiensis ) first causes small, light yellow spots or streaks on leaves of about one month old. The symptoms run [...] few days, the spots become a few centimetres in size and turn brown with light grey centres. These spots enlarge further and the tissue around the lesions

Fall Armyworm

spread over large areas rapidly. Adults fly by night, and are attracted to lights, especially those with a strong ultra-violet component. Damage symptoms [...] 150-200 and can lay up to 2000 eggs in a lifetime. Eggs are white, pinkish or light green and spherical, and are usually laid on the underside of the leaves [...] caterpillars ) are 30-40 mm long. They have six instars that vary in colour from light tan to green to black. They have a distinct white inverted Y-shaped mark

Corn earworm

nocturnal, since they react to light radiation at night and are attracted to light traps, especially using ultraviolet light. This capture method, together

Bacterial spot

(underside of) leaf surfaces and may enlarge into dark brown lesions with a light brown centre. As with powdery mildew infection, pepper plants shed the leaves [...] expansion. On the stems, long, narrow cankers appear, which become rough and light brown. On fruits the spots are first small, circular and green but they turn

Black root rot of cucurbits

at temperatures of approximately 20 °C whereas at 10 °C the lesions are light-brown. The lesions can be enclosed by pseudostromata: dark coloured tissue [...] In wilted plants, the crown first gets a water-soaked appearance, turning light-brown and sunken, later black with amber-coloured exudations of spores. In

Diamond back moth

of the forewings are light ochreous and the markings are like those of the males. The back is marked with a broad cream or light brown band along the back [...] back, which is sometimes constricted to form one or more light-coloured diamonds, thus the common name diamond back moth. The moths are weak fliers and

Two-spotted spider mite

that is rounded at the rear end. Their colour can vary from orange, light yellow or light green to dark green, red, brown, or almost black.

Cotton aphid

always black, whatever the body colour, which can vary widely, from light yellow to light green, or even a green-black colour . This body colour depends on

Click beetles

skinned. They are up to 25 mm long and usually shiny yellowish brown or light brown with a darker head. Larval development takes 4 to 5 years. When fully