Aleuropleurocelus

Drews & Sampson, 1956

Species Guides

1

Aleuropleurocelus is a of whiteflies (Aleyrodidae) in the suborder Sternorrhyncha. The genus includes that are phytophagous pests of woody plants. One undescribed species close to A. acaudatus has been documented as a significant pest of native Mexican avocados (Persea americana) in southern Coahuila, where it is subject to substantial natural by aphelinid .

Pronunciation

How to pronounce Aleuropleurocelus: /æˌlʊəroʊˌplʊəroʊˈsɛləs/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Members of this can be distinguished from other whitefly genera by pupal case , including the arrangement of wax-secreting pores and the shape of the vasiform orifice. Specific identification requires examination of fourth-instar nymphs or pupal cases under magnification. The genus is placed in the Aleyrodidae based on typical whitefly characteristics: small size, powdery wax coating, and two pairs of wings held roof-like over the body in .

Habitat

Native Mexican avocado orchards (Persea americana) in southern Coahuila, Mexico. The is associated with woody plants.

Distribution

Documented from the municipalities of Parras and Matamoros in Coahuila, Mexico. The specific record of Aleuropleurocelus aff. acaudatus on avocado represents a new and geographic record for whiteflies on this crop in Mexico. The broader distribution of the beyond this region is not documented in available sources.

Seasonality

Nymphs present during November, January, March, April, and May based on sampling conducted from November 2012 through May 2013.

Diet

Phloem-feeding on leaves of native Mexican avocado (Persea americana).

Host Associations

  • Persea americana - plantNative Mexican avocado; new record for whitefly on this crop in Mexico

Life Cycle

Fourth-instar nymphs have been documented on avocado leaves. Complete details including , earlier instars, and are not described in available sources.

Ecological Role

Pest of native avocado crops. Subject to natural by aphelinid , with natural rates averaging 56.8%.

Human Relevance

Agricultural pest of native Mexican avocado orchards. The documented by Eretmocerus perseae and Encarsia macula suggests potential for management.

Similar Taxa

  • Other Aleyrodidae generaDistinguished by pupal case , particularly the arrangement of wax pores and vasiform orifice structure.
  • Aleuropleurocelus acaudatusThe documented in Coahuila is close to but distinct from A. acaudatus, suggesting morphological similarity requiring careful examination for separation.

More Details

Parasitoid complex

Two aphelinid parasitize this whitefly: Eretmocerus perseae (, comprising 94% of individuals) and Encarsia macula. Combined natural averages 56.8%.

Taxonomic status

The attacking avocado is referred to as Aleuropleurocelus aff. acaudatus, indicating affinity to but distinction from A. acaudatus. Formal species description may be pending.

Tags

Sources and further reading