The maxillary palp sensory pathway of Orthoptera

Rickard Ignell, Sylvia Anton, Bill S Hansson

Research output: Contribution to journalArticlepeer-review

28 Citations (SciVal)


Primary sensory projections and arborisations of higher-order neurons associated with the maxillary palps were examined in Tettigoniidae, Gryllidae, Tetrigidae and Acrididae representing the two sub-orders of Orthoptera, Ensifera and Caelifera. Anterograde filling and Golgi impregnation of maxillary receptor neurons revealed two patterns of innervation, the ensiferous and the caeliferous type. In both ensiferans and caeliferans, receptor neurons arborised within the tritocerebrum, the antennal motor- and mechano-sensory centre and the lobus glomerulatus. In ensiferans, additional areas of innervation were found in the lobus glomerulatus and in a previously undescribed neuropil, here referred to as the accessory lobus glomerulatus. In relation to the anatomical data a putative functional segregation of the neuropil into gustatory-, olfactory- and mechano-sensory centres is implied.
Original languageEnglish
Pages (from-to)295-305
JournalArthropod Structure & Development
Issue number4
Publication statusPublished - 2001

Bibliographical note

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Department of Ecology (Closed 2011) (011006010), Chemical Ecology/Ecotoxicology (Closed 2011) (011006020)

Subject classification (UKÄ)

  • Ecology


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