Species Syndelphax disonymos (Kirkaldy, 1907)

Museums

Regional Maps

• Delphax disonymos Kirkaldy, G.W. 1907. Leafhoppers — Supplement (Hemiptera). Bulletin of the Hawaiian Sugar Planters' Association Experimental Station Entomological Series 3: 1-186 [156].

  Type data:

   
  Syntype(s) BPBM ♂, quantity unknown (coll.: iv.1904, Muir), Rewa, Viti Levu, Fiji; BPBM ♀, quantity unknown (coll.: iii.1905, Koebele), Suva, Viti Levu, Fiji.
• Delphax matanitu Kirkaldy, G.W. 1907. Leafhoppers — Supplement (Hemiptera). Bulletin of the Hawaiian Sugar Planters' Association Experimental Station Entomological Series 3: 1-186 [155].

  Type data:

   Lectotype BPBM ♂ (coll: i.1905, Muir), Ba, Viti Levu, Fiji.

  Subsequent designation references:

  Bellis, G.A. & Donaldson, J.F. 2015. Reassessment of some of Kirkaldy's Australian species of Delphacini (Hemiptera: Delphacidae: Delphacinae). Austral Entomology 1-13 [First published on line 17 December 2015 with pagination 1–13. Print version published August 2016, vol 55(3), 247-260] [10].
• Delphax hyas Kirkaldy, G.W. 1907. Leafhoppers — Supplement (Hemiptera). Bulletin of the Hawaiian Sugar Planters' Association Experimental Station Entomological Series 3: 1-186 [156].

  Type data:

   Syntype(s) BPBM ♀ (coll. viii.1904.), Kuranda, Queensland.

Taxonomic Decision for Synonymy

• Fennah, R.G. 1975. Homoptera: Delphacidae from Ceylon. Entomologica Scandinavica. Supplementum 4: 79-136 [109] (synonymy of D. matanitu)
• Bellis, G.A. & Donaldson, J.F. 2015. Reassessment of some of Kirkaldy's Australian species of Delphacini (Hemiptera: Delphacidae: Delphacinae). Austral Entomology 1-13 [First published on line 17 December 2015 with pagination 1–13. Print version published August 2016, vol 55(3), 247-260] [10] (synonymy of D. hyas)

Generic Combinations

• Syndelphax disonymos (Kirkaldy, 1907). —
  Fennah, R.G. 1975. Homoptera: Delphacidae from Ceylon. Entomologica Scandinavica. Supplementum 4: 79-136 [109]
• Syndelphax matanitu (Kirkaldy, 1907). —
  Fennah, R.G. 1963. New genera of Delphacidae (Homoptera : Fulgoroidea). Proceedings of the Royal Entomological Society of London B 32(1-2): 15-16 [16]

Introduction

This species is widespread in the Pacific region, extending to Sri Lanka in the Oriental region. A single male of the species was recorded from Ayr, Queensland by Fennah (1965) (as Syndelphax matanitu).

Distribution

States

Queensland

IBRA and IMCRA regions

IBRA

Qld: Brigalow Belt North (BBN)

Ecological Descriptors

All stages: phloem feeder.

Diagnosis

Pale brownish yellow, or yellowish testaceous, keels of frons slightly paler. Tegmina black. Head dorsally scarcely extended before the eyes. Pronotal keels curvedly divergent. Spur with 15 or 16 spines. Male pygophor in profile greatly emarginate ventrally. Genital syles divergent, the apex truncate and thickened. Length 2 mm. (brachypterous) (Kirkaldy 1907, as Delphax matanitu).
Pale yellowish testaceous. Head very slightly produced before the eyes; lateral margins of frons subparallel, slightly narrowed basally, keels flattish. Antennae not reaching beyond base of clypeus. Lateral keels of pronotum curving outwards. Tegmina with 6 unforked apical cells. Spur with 16 spines. Male pygophor rounded, subtransverse viewed end on. The genital styles are elongate, gradually widening a little towards the apex, where they are truncate. Length 3.75 mm. (Kirkaldy 1907, as Delphax disonymos).

ID Keys

Kirkaldy 1907: 150–151

Diagnosis References

Kirkaldy, G.W. 1907. Leafhoppers — Supplement (Hemiptera). Bulletin of the Hawaiian Sugar Planters' Association Experimental Station Entomological Series 3: 1-186 [155–156]

History of changes