Click beetles

General Click beetles are elongate beetles with a hard exoskeleton, with the head deeply retracted into the thorax. When disturbed they lie on their back feigning death and then suddenly propel themse

Impatiens thrips

General Impatiens thrips (Echinothrips americanus) is an increasing problem in greenhouse cultivation, having spread to many countries within the last 30 years. The thrips have mostly been able to spr

Tobacco whitefly

General The tobacco whitefly ( Bemisia tabaci ) belongs to the family Aleyrodidae , and the sub-family Aleyrodinae . This insect was first identified on tobacco in Greece in 1889, hence the name tabac

Diamond back moth

General The diamond back moth (Plutella xylostella) belongs to the family of Plutellidae . It only attacks Brassicaceae species, including cruciferous weeds. The diamond back moth (Plutella xylostella

Knowledge

Hemp russet mite

General The hemp russet mite ( Aculops cannabicola ) belongs to the family Eriophyidae (gall and rust mites). It does not produce galls but lives freely (vagrant) on hemp/cannabis plants. Aculops cann

Circular scale

General The circular scale, Chrysomphalus aonidum is a tropical species, native to the Oriental region but it has been dispersed widely in tropical and subtropical parts of the world, mostly in associ

American serpentine leaf miner

General The American serpentine leaf miner ( Liriomyza trifolii ) originates from North America, but occurs also in Europe since about 1976. The American serpentine leaf miner ( Liriomyza trifolii ) i

Glasshouse potato aphid

General The glasshouse potato aphid ( Aulacorthum solani) is a native European species of aphids , seriously affecting crops of sweet pepper in particular. These aphids further affect ornamental crops

Long-tailed mealybug

General Pseudococcus longispinus occurs naturally in tropical and sub-tropical regions, but these days it is widespread throughout the world. The range of host plants of Pseudococcus longispinus is le