Valid Names Results

Tanyscelis convexa (Lindinger, 1943) (Eriococcidae: Tanyscelis)

Nomenclatural History

• Opisthoscelis convexa Froggatt 1929: 376. Type data: AUSTRALIA: Victoria, Diamond Creek, on Eucalyptus macrorrhyncha, by C. French Jr.; also New South Wales, Gosford, on undetermined host by L. Gallard; also, New South Wales, Macksville, Why Why Forest on Eucalyptus sp.. Syntypes, female, Type depository: Orange: Agricultural Scientific Collections Unit, Orange Agricultural Institute, NSW, Australia; accepted valid name Notes: Syntypic galls of females in ASCT. Type depository information provided by Gullan (personal communication, June 10, 1996).
• Opisthoscelis globosa Froggatt 1929: 376. Type data: AUSTRALIA: Victoria, on Eucalyptus sp., by C. French; New South Wales, Hornsby. Unknown type status, unknown, synonym and homonym (discovered by Lindin1943b, 223). Notes: Type material whereabouts unknown (Gullan, personal communication, June 10, 1996).
• Opisthoscelis rübsaameni Lindinger 1943b: 223. replacement name Replacement name for Opisthoscelis globosa Froggatt 1929
• Opisthoscelis rubsaamei Lindinger, 1943; Hoy 1963: 176. misspelling of species epithet
• Opisthoscelis ruebsaameni Lindinger, 1943; Miller & Gimpel 2000. emendation that is justified Notes: Based on the International Code of Zoological Nomenclature Article 32 (d)(i)(2), rübsaameni must be emended so that the umlaut is deleted and the letter "e" is inserted after the "u."
• Tanyscelis convexa (Froggatt, 1929); Hardy & Gullan 2010: 36-40. change of combination

Common Names

Ecological Associates

Hosts:

Families: 1 | Genera: 1

Geographic Distribution

Keys

• HardyGu2010: pp.8-10 ( Adult (F) ) [Key to adult females of species of Opisthoscelis and Tanyscelis]

Remarks

• Systematics: Slide-mounted adult female with: enlarged setae blunt, thorn like, forming transverse bars in medial areas of abdomen from anterior segments to apex, smaller setae cover remainder of dorsum (Froggatt, 1929). Adult females of T. convexa can be recognized by the large dorsal spines found on the dorsomedial areas of the thorax and abdomen and in a ventral submarginal row extending from the anterior margin of the head to the posterior spiracles. It is also the only species of Tanyscelis to have no tubular ducts or multilocular pores on the dorsum. (Hardy & Gullan, 2010) Lindinger (1943b) recognized that Opisthoscelis globosa Froggatt (1929) was a junior primary homonym of Opisthoscelis globosa Rübsaamen (1894) and proposed the replacement name Opisthoscelis rubsaameni Lindinger. Hoy (1963) erroneously attributed O. rubsaameni to Froggatt (1929) and also treated O. rubsaameni as a synonym of O. globosa Rübsaamen. Hardy & Gullan (2010) placed this species in the new genus, Tanyscelis.
• Structure: Female galls on smaller branches, broadly rounded or oval mass at junction with host. The basal portion of female gall is brown, general form is circular. Adult female is dark reddish-brown, cephalic portion is the darkest. Body is heart shaped (Froggatt, 1929). Female galls also on the base of the petiole. Gall opening slit-like to oblong. Distal area frequently with 1 or 2 concentric circular scars, distal surface above scars smooth and lighter in colour than surrounding stem tissue. (Hardy & Gullan, 2010) Male galls are small and reddish-brown. Male galls on surface of leaves, tubular, apex closed in immature specimens and open in mature insects. (Froggatt, 1929) Male galls on either leaf surface, occasionally on petiole or stems. Gall cylindrical to conical, distal margin dentate, opening slit-like to round, opposite side of leaf swollen.
• Biology: Male galls scattered over leaf surfaces. Female galls produced on the base of the leaf stalks or along the slender branchlets (Froggatt, 1929).
• General Remarks: Detailed description and illustration by Froggatt (1929) as Opisthoscelis globosa. Redescription, photograph of galls and illustration in Hardy & Gullan, 2010.

Illustrations

Citations