Tribe Trocnadini Evans, 1947

Trocnada dorsigera Walker, type species of Trocnada Walker, type genus of Trocnadini.

© Copyright Murray Fletcher, Orange Agricultural Institute.

Museums

Regional Maps

• Trocnadini Evans, J.W. 1947. A natural classification of leafhoppers (Jassoidea, Homoptera) Part 3. Jassidae. Transactions of the Royal Entomological Society of London 98(6): 105-271 [223].

  Type genus:

   Trocnada Walker, 1858.

Introduction

This tribe originally included only the endemic genus Trocnada Walker with three species, all associated with the tree genus Eucalyptus L'Héretier (Myrtaceae). The oriental genus Trocnadella Singh-Pruthi was included in the tribe by Oman et al. (1990) without any justification and it was later removed by Dai & Dietrich (2012). Krishnankutty et al. (2016) transferred the genus Thalattoscopus Kirkaldy into Trocnadini so it now contains two genera, one endemic Australian and the other distributed mainly in New Guinea and neighbouring islands with three species in Australia.

Diagnosis

Medium-sized stramineous, brown or red leafhoppers; head short, crown poorly or not delimited, ocelli on face; forewing appendix well developed but not extended around wing apex; hindwing veins R4+5 and M1+2 confluent distally; male subgenital plates elongate, only partially concealed by pregenital sternite; female first valvulae with dorsal sculpturing strigate; second valvulae with two to three prominent widely spaced dorsal teeth.

Morphological synapomorphies supporting the monophyly of this group include the absence of macrosetae on the front femur, presence of a well-developed dorsal apodeme on the aedeagus, and the short, falcate male pygofer appendage (Krishnankutty et al. 2016).

ID Keys

Fletcher, M.J. (2009 and updates). Key to the leafhoppers and treehoppers of Australia and neighbouring areas (Hemiptera: Auchenorrhyncha). http://www1.dpi.nsw.gov.au/keys/leafhop/index.html

Krishnankutty et al. 2016: 587–590

Diagnosis References

Evans, J.W. 1966. The leafhoppers and froghoppers of Australia and New Zealand. Memoirs of the Australian Museum 12: 1-347 [207]

Krishnankutty, S.M., Dietrich, C.H., Dai, W. & Siddappaji, M.H. 2016. Phylogeny and historical biogeography of leafhopper subfamily Iassinae (Hemiptera: Cicadellidae) with a revised tribal classification based on morphological and molecular data. Systematic Entomology 41: 580–595 [593]

General References

Dai, W. and Dietrich, C.H. 2012. Review of the Australian leafhopper genus Trocnada with notes on related genera (Hemiptera:Cicadellidae: Iassinae). Zootaxa 3209: 53–66

Krishnankutty, S.M., Dietrich, C.H., Dai, W. & Siddappaji, M.H. 2016. Phylogeny and historical biogeography of leafhopper subfamily Iassinae (Hemiptera: Cicadellidae) with a revised tribal classification based on morphological and molecular data. Systematic Entomology 41: 580–595 [593]

Oman, P.W., Knight, W.J. & Nielson, M.W. 1990. Leafhoppers (Cicadellidae). A Bibliography, Generic Check-list and Index to the World Literature 1956-1985. Wallingford, England : CAB International Institute of Entomology pp. 1-368.

History of changes