Valid Names Results

Madarococcus eurythrix (Miller & Gonzalez, 1975) (Eriococcidae: Madarococcus)

Nomenclatural History

• Eriococcus eurythrix Miller & Gonzalez 1975: 142-144. Type data: CHILE: Villa Portales, on Nothofagus antarctica, 25/11/1968, by R. González. Holotype, female, by original designation Type depository: Santiago: Universidad de Chile, Santiago, Chile; accepted valid name Illustr.
• Acanthococcus eurythrix (Miller & Gonzalez, 1975); Miller & Gimpel 1996: 600. change of combination
• Madarococcus eurythrix (Miller & Gonzalez, 1975); Hardy, Beardsley & Gullan 2008: 369-373, 381-382. change of combination

Common Names

• spatulate seta eriococcin MillerGo1975

Ecological Associates

Hosts:

Families: 1 | Genera: 1

Geographic Distribution

Keys

• Gonzal2008a: pp.51 ( Adult (F) ) [Key to species of Eriococcus from the Patagonian Andean forests in Argentina] Key as: Eriococcus
• HardyGuHo2008: pp.375-376 ( Adult (F) ) [Key to species of Madarococcus based on adult females]
• HodgsoMi2002: pp.193 ( Adult (F) ) [Key to adult females of genera and species of Eriococcidae known from Chile] Key as: Eriococcus surythrix
• MillerGo1975: pp.138 ( Adult (F) ) [Eriococcus species of Chile] Key as: Eriococcus eurythrix

Remarks

• Systematics: Slide-mounted adult female with: enlarged setae elongate, conical, with slightly rounded apices, marginal setae noticeably larger than others on dorsum, with 3 or 4 setae on lateral margin of each abdominal segment, with bare area in mediolateral area of abdomen; microtubular ducts elongate, with 1 sclerotized area; suranal seta spatulate (Miller & González, 1975). Madarococcus eurythrix bears several morphological similarities with the Chilean species M. chilensis, M. navarinoensis, and M. rhadinothrix: 1, slender,slightly curved dorsal setae; 2, a loose marginal fringe of enlarged setae, most distinct on posterior abdominal segments, becoming staggered on thorax and head, and 3, dorsal setae without associated microtubular ducts. M. eurythrix also shares some key features with the Australasian Madarococcus species: 1, spatulate suranal setae; 2, interantennal lobes; 3, ventral macrotubular ducts of a single size, similar to those on dorsum, and 4, disc pores of a single size (two sizes of disc pores are found on the ventral surfaces of M. chilensis, M. navarinoensis and M. rhadinothrix). Madarococcus eurythrix most closely resembles the Tasmanian species M. occultus. Characteristics shared by these two species include 1, the shape and distribution of the dorsal and marginal setae; 2, anal lobes small in comparison to those of other Madarococcus species, and 3, macrotubular ducts present on the medial portions of each abdominal segment.
• Structure: Body of adult female is light brown, with a single white, longitudinal stripe on the medial area. No ovisac observed (Miller & González, 1975).
• General Remarks: Detailed description and illustration by Miller & González (1975).

Illustrations

Citations