Chaenusa Haliday, 1839
publication ID |
https://doi.org/ 10.11646/zootaxa.5513.1.1 |
publication LSID |
lsid:zoobank.org:pub:8F43A4AA-C93B-4971-A348-3E1D546EA96B |
persistent identifier |
https://treatment.plazi.org/id/038EBD6F-FFB0-F672-BF8B-67486CC9558F |
treatment provided by |
Plazi |
scientific name |
Chaenusa Haliday, 1839 |
status |
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Chaenusa Haliday, 1839 View in CoL
Type species: conjungens Nees
CHOREBIDEA Viereck, 1914 (type species: nereidum Haliday )
CHOREBIDEA Nixon, 1943 (type species: naiadum Haliday )
CHOREBIDELLA Riegel, 1947 (type species: bergi Riegel View in CoL )
Literature: Griffiths I-859 and see below.
Hosts: Hypothesis —Parasitoids of Hydrellia (= Hydropota ) spp. ( Ephydridae ) mining the leaves of aquatic plants, particularly Potamogeton spp. ( Potamogetonaceae ), and plants growing in wet places. Evidence — See below for European data; Kula et al. (references below); Taxapad. Comment —The most extensive European rearing studies to date are by Burghele (1959; 1960b) who in winter mass-extracted puparia of Hydrellia from ponds in Romania; she records all hosts as H. griseola but Griffiths suggests more species may be present.
Notes: No recent revision of this genus in Europe; for work in North America see Kula and Harms (2016); Kula et al. (2009); Kula and Zolnerowich (2008); Kula et al. (2006) who stress extent of intraspecific morphological variation. Keys to some species can be found in Marshall (1897), Burghele (1960b), Tobias (1986) & Docavo et al. (2006). 15 species listed here but two ( limoniadum and lymphata ) have not been recognised since the 19 th century. 36 species in Taxapad from throughout the world.
conjungens (Nees, 1811; Bracon )
Synonymy: conjugens misspelling; thomsoni (Roman, 1917, Gyrocampa ), Griffiths III-930.
Hosts: Hypothesis —Parasitoid of Hydrellia spp. ( Ephydridae ) mining the leaves of Potamogeton spp. ( Potamogetonaceae ) & Poaceae . Evidence — Burghele (1959; 1960b) (>100); NMS (8). Comment — Recorded hosts H. griseola , H. maura .
DNA Barcode: Yes.
Similar species: C. elongata , C. orghidani .
Notes: The commonest species in the genus. Stelfox (1957) commented on the wide range of antennal segment numbers in C. conjungens and speculated several species may be involved.
dolsi ( Docavo, 1965; Chorebidea )
Literature: Docavo (1965), Docavo et al. (2006).
Similar species: C. naiadum .
Notes: Adults caught on leaves of Potamogeton spp. ( Potamogetonaceae ).
Literature: Stelfox (1957).
Similar species: C. conjungens .
Notes: Collected from pond margin; female abdomen laterally flattened.
kryzhanovskii Tobias & Perepetchajenko, 1992
Literature: Tobias and Perepechayenko (1992).
Similar species: C. motasi .
limoniadum (Marshall, 1896; Chorebus )
Similar species: C. nereidum .
Notes: Transferred from Chorebus by Perepechayenko (2000b). Poorly known species, little recognised since 19 th century.
llopisi Docavo, 1962 View in CoL
Literature: Docavo (1962), Docavo et al. (2006).
Similar species: C. conjungens .
lymphata (Haliday, 1839; Alysia )
Similar species: C. naiadum .
Notes: Transferred from Chorebus by van Achterberg (1997). Not recognised since 19 th century.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
Kingdom |
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Phylum |
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Class |
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Order |
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Family |
Chaenusa Haliday, 1839
Godfray, Charles J. & Achterberg, Cornelis Van 2024 |
llopisi
Docavo 1962 |
elongata
Stelfox 1957 |
CHOREBIDELLA
Riegel 1947 |
CHOREBIDEA
Nixon 1943 |