Food digestibility and consumption rate in detrito-bryophagous groundhopper Tetrix subulata (Orthoptera: Tetrigidae)

Detrito-bryophagy represents a specific feeding strategy in orthopterans. We evaluated the consumption rate and digestibility of two main food components (detritus and moss) in a typical detrito-bryophagous groundhopper, Tetrix subulata (L., 1758), under laboratory conditions. By analysing gravimetr...

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Veröffentlicht in:Biológia 2017-04, Vol.72 (4), p.452-457
Hauptverfasser: Kuřavová, Kateřina, Kočárek, Petr
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description Detrito-bryophagy represents a specific feeding strategy in orthopterans. We evaluated the consumption rate and digestibility of two main food components (detritus and moss) in a typical detrito-bryophagous groundhopper, Tetrix subulata (L., 1758), under laboratory conditions. By analysing gravimetric consumption, we confirmed that detritus is consumed more intensively and with higher efficiency (digestibility 91%) than moss tissues represented by the offered tissues of Calliergonella cuspidata (Hedw.) Loeske (digestibility approximately 60%). Detritus seems to contain easily digestible compounds (a dominant source of nutrition); moss is also consumed obviously because of important additional functions in the diet.
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subjects Cell Biology
Detritus
Digestibility
excretion
faeces
Feeding
Food
Food consumption
Gravimetric analysis
Life Sciences
Microbiology
moss
Mosses
Nutrition
Plant Sciences
Tetrigoidea
Tetrix subulata
Zoology
title Food digestibility and consumption rate in detrito-bryophagous groundhopper Tetrix subulata (Orthoptera: Tetrigidae)
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