Tetraleurodes gilli (Hemiptera: Sternorrhyncha: Aleyrodidae), a New Whitefly Species on Quercus L. from California

Authors

Natalia von Ellenrieder, California Department of Food and AgricultureFollow

ORCID IDs

0000-0002-1159-2019

Document Type

Article

Date of this Version

2025

Citation

Insecta Mundi (2025) 1112

March 28, 2025

ZooBank registration: urn:lsid:zoobank.org:pub:842850DA-0301-45A7-AAA6-85C238BAC87F

Comments

Copyright 2025, the author. Open access

License: CC BY-NC 3.0

Abstract

Abstract

A new species of Tetraleurodes Cockerell (Hemiptera: Sternorrhyncha: Aleyrodidae), T. gilli, occurring on Quercus L. (Fagaceae) in California is described and illustrated based on its puparium, adults, and nymphs. The puparium of the new species can be recognized from that of other black whiteflies devoid of dorsal wax that occur on oaks by the combination of a filamentous marginal wax fringe as wide as a third to full width of puparium, cephalothoracic setal formula 1 0 1 1, longitudinal suture margined by tubercles, presence of eyespots, a concentric dorsal submarginal fold, ventral spinules medially to legs decreasing in size from large to small medially, sides not deflexed ventrally, and absence of dorsal submarginal papillae, of dorsomedial tubercles on each abdominal segment, and of dorsomedial clusters of pores on fourth abdominal segment. A key to all species of whiteflies with black puparia known to occur on oaks in North America is provided.

Resumen

Una especie nueva de Tetraleurodes Cockerell (Hemiptera: Sternorrhyncha: Aleyrodidae), T. gilli, que ocurre en Quercus L. (Fagaceae) en California es descrita e ilustrada sobre la base de su pupario, adultos y ninfas. El pupario de la especie nueva puede ser reconocido del de otras moscas blancas de color negro que carecen de cera dorsal y ocurren en robles por la combinacion de margen de cera filamentosa tan ancho como un tercio de la totalidad del ancho del pupario, formula setal cefalotoracica 1 0 1 1, sutura longitudinal bordeada por tuberculos, presencia de manchas oculares, un pliegue dorsal concentrico submarginal, espinulas ventrales medialmente a las patas que disminuyen en tamano de grandes a pequenas medialmente, lados no recurvados ventralmente, y ausencia de papilas dorsales submarginales, de tuberculos dorsomediales en cada segmento abdominal, y de grupos de poros dorsomediales en el cuarto segmento abdominal. Se prove una clave diagnostica para todas las especies de moscas blancas con pupario negro conocidas de robles en America del Norte.