Genus Rhombotoya Fennah, 1975

Museums

Regional Maps

• Rhombotoya Fennah, R.G. 1975. Homoptera: Delphacidae from Ceylon. Entomologica Scandinavica. Supplementum 4: 79-136 [124].

  Type species:

   Delphacodes pseudonigripennis Muir, 1918 by original designation.

Introduction

This is a small genus distributed from Greece to Sri Lanka with extension to Papua New Guinea and with a single male specimen recorded from Yalkula in North Queensland by Bellis et al. (2013).

Distribution

States

Queensland

IBRA and IMCRA regions

IBRA

Qld: Einasleigh Uplands (EIU)

Distribution References

Diagnosis

Species small (length of male about 2.0 mm). Vertex a little longer than broad at base, broadly curving into frons, submedian carinae meeting at apex of head, basal compartment of vertex wider at hind margin than its greatest length (about 1.6 : 1), frons longer than wide (about 2 : 1), slightly wider at apex than at base, lateral margins weakly convex, clypeus at base about as wide as frons at apex, postclypeus approximately as long as wide at base, rostrum reaching to post-coxae, antennae with basal segment longer than broad (about 1.7 : 1) and second segment longer than first (about 1.7 : 1), ocelli small. Post-tibial spur with about 17 teeth. Anal segment of male short, collar-like. Pygofer in profile longer ventrally than dorsally, in posterior view with opening very approximately as broad as long, lateral margins strongly concave at middle (at level of apex of genital styles), ventral margin excavate, diaphragm rather broad, with median portion strongly pigmented and with dorsal margin broadly produced dorsad, or dorsocaudad, convex. Aedeagus moderately long, tubular, slightly ascending to near apex, then moderately deflexed. Genital styles rather long, strongly diverging, each simple, shallowly curved, and broadest in distal third (Fennah 1975).

Diagnosis References

Fennah, R.G. 1975. Homoptera: Delphacidae from Ceylon. Entomologica Scandinavica. Supplementum 4: 79-136 [124]

History of changes