Published October 15, 2010 | Version v1

Trialeurodes vaporariorum

Description

Trialeurodes vaporariorum (Westwood) 1856

Diagnosis. Puparium: Habitus. Normally oval shaped, pale to yellow in color. Fresh specimens relatively thick with waxy patches dorsally and marginally. Slide mounted specimen-Lateral margin. Crenulations large (from 9-12 per 100μm) and subequal in width. Submargin with variously shaped papillae (bullet, cylindrical, conical apically rounded or acute), numbering 64 to 140, well to poorly developed and from small to large usually oriented to the margin; if well developed, then well-separated to closely appressed; marginal clefts slightly modified at the openings or not at all. Dorsum. Papillae present or absent on the subdorsal and submedian areas. Longitudinal suture present from the margin to the transverse suture that terminates before or at the submargin. Eight abdominal segments apparent in median region of abdomen with the median length of A 7 reduced to no more than one-third the length of A 6. Vasiform orifice. The cordate-shaped vasiform orifice contains the lingula, usually with three paired lobes and one apical lobe; operculum cordate-shaped covering half the vasiform orifice. Venter. Antennae terminate at the T 1 pair of legs; legs with setae present but lacking spines on inner portion. Thoracic tracheal clefts and folds absent. Pores. Submarginal disc pores and porettes present, distribution and location variable; pores may be associated with papillae. Chaetotaxy. Cephalic and abdominal segments with or without a pair of setae; A 8 and caudal pair of setae present. See Russell (1948: 43-49) for complete description.

Nevada hosts. Asteraceae: Calendula officinalis; Onagraceae: Fuschsia hybrida; Solanaceae: Solanum melongena.

Comments. The records of this species in Nevada are based on specimens collected prior to our study. Morphological characters of this species are highly variable especially differing in specimens collected on plants with hairy versus glabrous leaves. Not collected since 1976 in Elko County, Nevada.

Reference. Russell 1948.

Notes

Published as part of Dooley Iii, John W., Lambrecht, Susan & Honda, Jeffrey, 2010, Eight new state records of aleyrodine whiteflies found in Clark County, Nevada and three newly described taxa (Hemiptera: Aleyrodidae, Aleyrodinae), pp. 1-36 in Insecta Mundi 2010 (140) on page 28, DOI: 10.5281/zenodo.5164926

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Additional details

Biodiversity

References

  • Russell, L. M. 1948. The North American species of whiteflies of the genus Trialeurodes. Miscellaneous Publication of the United States Department of Agriculture 635: 1 - 85.