Further karyosystematic studies of the Boreonectes griseostriatus (De Geer) group of sibling species (Coleoptera, Dytiscidae)–characterisation of B. emmerichi (Falkenström, 1936) and additional European data

A lectotype is designated for the Tibetan species Deronectes emmerichi Falkenström, 1936 (Currently Boreonectes emmerichi (Falkenström)), and its habitus, as well as the median lobe and parameres of its aedeagus, are figured along with additional comparative material. Material of B. emmerichi from S...

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Bibliographic Details
Published in:Comparative Cytogenetics
Main Authors: Angus, Robert B., Angus, Elizabeth M., Jia, Fenglong, Chen, Zhen-ning, Zhang, Ying
Format: Article in Journal/Newspaper
Language:unknown
Published: 2015
Subjects:
Cephalornis
Coelenterata
Bilateria
Nephrozoa
Protostomia
Ecdysozoa
Circumscriptional names of the taxon under
Notchia
Carbotriplurida
Boltonocostidae
Circumscriptional names
Pterygota
Pharotarsus
Protodytiscus
Mesoderus
Etruscodytes
Amurodytes
BoreonectesAnimalia
Arthropoda
Insecta
ColeopteraAnimalia
Coleoptera
Dytiscidae
Karyotype
C-banding
species complex
Tibet
lectotype
Sikkim
first record from India
Kola Peninsula
kola peninsula
Online Access:https://zenodo.org/record/575490
https://doi.org/10.3897/CompCytogen.v9i1.4463
Description
Summary:A lectotype is designated for the Tibetan species Deronectes emmerichi Falkenström, 1936 (Currently Boreonectes emmerichi (Falkenström)), and its habitus, as well as the median lobe and parameres of its aedeagus, are figured along with additional comparative material. Material of B. emmerichi from Sikkim (BMNH) represents the first record of a Boreonectes Angus, 2010 species from India. The karyotype of B. emmerichi is described as having 26 pairs of autosomes plus sex chromosomes which are X0 (♂), XX (♀). The karyotype is most like that of B. macedonicus (Géuorguiev, 1959), but with slight differences. Additional chromosomal information is given for B. griseostriatus griseostriatus (De Geer, 1774) in the French Alps, B. g. strandi (Brinck, 1943) on the Kola Peninsula, B. multilineatus (Falkenström, 1922) in the Pyrenees and B. ibericus (Dutton & Angus, 2007) in the Spanish Picos de Europa.

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