Which insect order does Bemisia tabaci belong?

True bugs
Silverleaf whitefly/Order

What are the symptoms of whitefly in cotton?

Symptom of damage

• Chlorotic spots on the leaves which latter coalesce forming irregular yellowing of leaf tissue which extends from veins to the outer edges of the leaves.
• Severe infestation results in premature defoliation.
• Development of sooty mould.
• Shedding of buds and bolls and poor boll opening.

What is the life cycle of a whitefly?

At 70ºF, the greenhouse whitefly life cycle takes: 6-10 days for egg hatch, 3-4 days as a nymph I, 4-5 days as nymph II, 4-5 days as nymph III, 6-10 days for the pupa. Adults can live for 30 to 40 days.

What is the scientific name of whitefly?

Aleyrodidae
Whiteflies/Scientific names

common name: citrus whitefly. scientific name: Dialeurodes citri (Ashmead) (Insecta: Hemiptera: Aleyrodidae)

Which is the biotype of Bemisia tabaci?

There has been some confusion when referring to the different whitefly species and/or biotypes of Bemisia. Silverleaf whitefly, formerly known as Bemsia argentifolii, is now officially recognized as the ’B’ Biotype. The whitefly commonly referred to as sweet potato whitefly is B. tabaci,‘A’ biotype.

Is the Bemisia tabaci a pest in the UK?

B. tabaci has a global presence. However, certain areas within Europe are still Bemisia free, e.g. Finland, Sweden, Republic of Ireland and the UK ( Cuthbertson and Vänninen, 2015 ). In Canada B. tabaci is a glasshouse pest; it is not established outdoors ( Broadbent et al., 1989; Howard et al., 1994; CFIA, Canada, 2005, per J.A. Garland).

Where does the b.tabaci biotype come from?

Phylogenetic analyses indicated that certain B. tabaci populations that are present in China are the Q biotype, and that the Q biotype now in China may have originated from Spain or other nearby locations where the Q biotype has been identified. This is the first report of the introduction of the Q biotype from the Mediterranean region into China.

How many species of Bemisia are there in the world?

Any effects on biodiversity would result indirectly from an increased use of insecticides against this pest. The genus Bemisia contains 37 species and is thought to have originated from Asia ( Mound and Halsey, 1978 ).