Genus: Lecanoideus Quaintance & Baker.
Nomenclature [Quaintance & Baker, 1913]:
Lecanoideus Quaintance & Baker, 1913. Raised to genus by Costa Lima, 1928: 133.
Aleurodicus (Lecanoideus) Quaintance & Baker, 1913: 70. Type-species: Aleurodicus (Lecanoideus) giganteus.
Distribution: Predominantly Nearctic & Neotropical with one species found Plaearctic: Spain & the Canary Islands.
Taxonomy [Caballero, 1992: 73-74][Quaintance & Baker, 1913]:
Terminal claw present on each leg. Reflexed ventral margin present but in at least one species the margin is variable from slightly down-curled to strongly reflexed [Martin, Hernandez- Suarez & Carnero, 1997: 1261-1272].
Four pairs of abdominal compound pores evident ; each normally with a cone shaped central process ; cephalic compound pores about 30-35 μm and the abdominal 4 large pores about 40-50 μm in diameter; in addition, A8 with very small compound pores (10-20 μm in diameter each) present near the median line.
Vasiform orifice with a transversely elliptical shape with a transversely elongated operculum; Lingula (with two pair of setae) is exserted (glossary definition).
Posterior marginal setae over 100 μm long, anterior marginal setae absent; 12 pairs of long, fine inner submarginal setae present; submedian T1, T2, T3, and A-1 setal pairs present.
Related genera: The other Aleurodicinae do not have the reflexed margin.
Lecanoideus floccissimus Martin, Hernandez- Suarez & Carnero NOMENCLATURE [Martin et al, 1997][Martin, 2000: 440] :
DISTRIBUTION: Neotropical: Colombia [Martin, 2000: 440][S.E.L.], Ecuador [Martin et al, 1997][Martin, 2000: 440][EPPO, 2003], Peru (discussion with Dr. Greg Evans, SEL); Palaearctic: Canary Islands [Martin et al, 1997][Martin, 2000: 440][EPPO, 2003][S.E.L.], & Spain. HOST: Anacardiaceae: Mangifera indica [CPC, 2003]; Musaceae: Musa. For extensive list, see Hernandez-Suarez et al, 1997. NATURAL ENEMIES: Encarsia Guadelupae Viggiani [EPPO, 2003] An introduced new species of Lecanoideus (Homoptera: Aleyrodidae) Established and causing economic impact on the Canary Islands. This species coexists with Aleurodicus dispersus Russell often on the same leaves of the plant |
Lecanoideus mirabilis (Cockerell) NOMENCLATURE : Lecanoideus mirabilis (Cockerell) [Cockerell, 1898: 225]. TAXONOMY: Description of syn. Lecanoideus giganteus (Quaintance & Baker) [Caballero, 1992: 74-76]. DISTRIBUTION: Nearctic: Mexico [Cockerell, 1898: 225][S.E.L.]; Neotropical: Brazil [Quaintance & Baker, 1913: 70][S.E.L.], Colombia [NHM, London][S.E.L.], Costa Rica [S.E.L.], Ecuador [S.E.L.], El Salvador [S.E.L.], Guayana [Baker & Moles, 1923: 623][NHM, London][S.E.L.], Honduras [S.E.L.], Panama [Thompson, 1964: 94]. [S.E.L.], Trinidad & Tobago [NHM, London][S.E.L.], Venezuela [Arnal et al: 1993: 377][S.E.L.]. HOST:
Annonaceae:
Annona
cherimoya, A. muricata
[Baker & Moles, 1923: 623]
, Annona sp. [NHM,
London],
Cananga
odorata [NHM, London],
Rollinia
orthopetala [Costa NATURAL ENEMIES [Kairo et al. 2001[Caballero, 1992 & 1993][Thompson & Simmons 1964][Fulmek 1943][Barnes 1930][Felt 1922]: Cleodiplosis aleyrodici, Chrysoperla externa, Dirphys sp. ; Encarsia Guadelupae Viggiani |