Field evidence of caddisfly larvae (Trichoptera: Limnephilidae, Leptoceridae) using alien Crassula helmsii (Kirk) Cockayne fragments (Saxifragales: Crassulaceae) in case construction

Samuel J.L. Tasker; David T. Bilton

doi:10.1080/01650424.2023.2233504

Field evidence of caddisfly larvae (Trichoptera: Limnephilidae, Leptoceridae) using alien Crassula helmsii (Kirk) Cockayne fragments (Saxifragales: Crassulaceae) in case construction

Samuel J.L. Tasker^*
, David T. Bilton

^*Corresponding author for this work

School of Biological and Marine Sciences

University of Johannesburg

Research output: Contribution to journal › Article › peer-review

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Abstract

We present the first field observations of caddisfly (Trichoptera) larvae using an invasive alien aquatic plant, Crassula helmsii (Kirk) Cockayne, in case construction. In samples from invaded ponds across the UK and Belgium, we have recorded the presence of C. helmsii fragments in cases from Limnephilus lunatus Curtis, Citation1834, Limnephilus marmoratus Curtis, Citation1834, Limnephilus flavicornis (Fabricius, Citation1787) (Limnephilidae), Triaenodes bicolor (Curtis, Citation1834), and Oecetis furva (Rambur, Citation1842) (Leptoceridae). Fragmentation of C. helmsii in case creation and augmentation may produce vegetative propagules, thus facilitating further dispersal of this invasive macrophyte.

Original language	English
Pages (from-to)	1-5
Number of pages	0
Journal	Aquatic Insects
Volume	0
Issue number	0
Early online date	19 Jul 2023
DOIs	https://doi.org/10.1080/01650424.2023.2233504
Publication status	Published - 19 Jul 2023

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SDG 15 Life on Land

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10.1080/01650424.2023.2233504

Tasker Bilton 2023 Crassula in caddisfly casesFinal published version, 1.05 MB

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title = "Field evidence of caddisfly larvae (Trichoptera: Limnephilidae, Leptoceridae) using alien Crassula helmsii (Kirk) Cockayne fragments (Saxifragales: Crassulaceae) in case construction",

abstract = "We present the first field observations of caddisfly (Trichoptera) larvae using an invasive alien aquatic plant, Crassula helmsii (Kirk) Cockayne, in case construction. In samples from invaded ponds across the UK and Belgium, we have recorded the presence of C. helmsii fragments in cases from Limnephilus lunatus Curtis, Citation1834, Limnephilus marmoratus Curtis, Citation1834, Limnephilus flavicornis (Fabricius, Citation1787) (Limnephilidae), Triaenodes bicolor (Curtis, Citation1834), and Oecetis furva (Rambur, Citation1842) (Leptoceridae). Fragmentation of C. helmsii in case creation and augmentation may produce vegetative propagules, thus facilitating further dispersal of this invasive macrophyte.",

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AU - Tasker, Samuel J.L.

AU - Bilton, David T.

PY - 2023/7/19

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N2 - We present the first field observations of caddisfly (Trichoptera) larvae using an invasive alien aquatic plant, Crassula helmsii (Kirk) Cockayne, in case construction. In samples from invaded ponds across the UK and Belgium, we have recorded the presence of C. helmsii fragments in cases from Limnephilus lunatus Curtis, Citation1834, Limnephilus marmoratus Curtis, Citation1834, Limnephilus flavicornis (Fabricius, Citation1787) (Limnephilidae), Triaenodes bicolor (Curtis, Citation1834), and Oecetis furva (Rambur, Citation1842) (Leptoceridae). Fragmentation of C. helmsii in case creation and augmentation may produce vegetative propagules, thus facilitating further dispersal of this invasive macrophyte.

AB - We present the first field observations of caddisfly (Trichoptera) larvae using an invasive alien aquatic plant, Crassula helmsii (Kirk) Cockayne, in case construction. In samples from invaded ponds across the UK and Belgium, we have recorded the presence of C. helmsii fragments in cases from Limnephilus lunatus Curtis, Citation1834, Limnephilus marmoratus Curtis, Citation1834, Limnephilus flavicornis (Fabricius, Citation1787) (Limnephilidae), Triaenodes bicolor (Curtis, Citation1834), and Oecetis furva (Rambur, Citation1842) (Leptoceridae). Fragmentation of C. helmsii in case creation and augmentation may produce vegetative propagules, thus facilitating further dispersal of this invasive macrophyte.

UR - https://pearl.plymouth.ac.uk/bms-research/325/

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JO - Aquatic Insects

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ER -

Field evidence of caddisfly larvae (Trichoptera: Limnephilidae, Leptoceridae) using alien Crassula helmsii (Kirk) Cockayne fragments (Saxifragales: Crassulaceae) in case construction

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