Data from: Host plants of the non-swarming edible bush cricket Ruspolia differens
Date
2019-03-04Author(s)
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doi:10.5061/dryad.f845h1nMetadata
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Citation
Opoke, Robert (Gulu University). Nyeko, Philip (Makerere University). Malinga, Geoffrey M. (Gulu University). Rutaro, Karlmax (University of Eastern Finland). Roininen, Heikki (University of Eastern Finland). Valtonen, Anu (University of Eastern Finland). , Data from: Host plants of the non-swarming edible bush cricket Ruspolia differens, 2019, doi:10.5061/dryad.f845h1n.Licensed under
Abstract
The edible Ruspolia differens (Orthoptera: Tettigoniidae) is a widely-consumed insect in East Africa but surprisingly little is known of its host plant use in the field. We studied host plants used by non-swarming R. differens for 15 months, in central Uganda. In particular, we assessed the use of host plant species with respect to host cover in the field and host parts used by R. differens, also recording their sex, developmental stages, and colour morph. Ruspolia differens were found on 19 grass and two sedge species and they were observed predominantly (99% of 20,915 observations) on seven grasses (namely, Panicum maximum, Brachiaria ruziziensis, Chloris gayana, Hyparrhenia rufa, Cynodon dactylon, Sporobolus pyramidalis, and Pennisetum purpureum). Ruspolia differens was most frequently observed on the most common grass of each study site but P. maximum, and S. pyramidalis were used more frequently than expected from their cover in the field. Furthermore, R. differens were observed predominantly on inflorescences (97% of feeding observations) and much less frequently on the leaves (3.0%), stems (0.1%), and inflorescence stalks (0.1%) of grasses and sedges. Host use was not independent of sex, developmental stage, or colour morph. Panicum maximum was the preferred host of the youngest nymphs of R. differens. Overall, our findings indicate that a continuous supply of diverse grass resources with inflorescences is necessary for the management and conservation of wild populations of R. differens.
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https://datadryad.org/stash/share/3spPEhlQ4BX1nxKdXx0UbNgL84F5aps_cCpENfJQvWECollections
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