R. Angus

Publications113
h-index19
Citations1,196
Highly Influential Citations82
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Notes on the Helophorus (Coleoptera, Hydrophilidae) occurring in Turkey, Iran and neighbouring territories
Condition and performance of juvenile Atlantic salmon (Salmo salar) : effects of rearing practices on hatchery fish and comparison with wild fish
TLDR
It is concluded that significant changes in morphology, physiology, and muscle biochemistry of juvenile Atlantic salmon can be brought about by changing hatchery rearing conditions, but these changes are of limited effectiveness in reducing the difference between hatchery-reared and wild fish.
A chromosomal analysis of 15 species of Gymnopleurini, Scarabaeini and Coprini (Coleoptera: Scarabaeidae)
TLDR
The present paper reports on the remaining Scarabaeidae (Gymnopleurus geoffroyi Illiger, Copris lunaris (Linnaeus) and Onitis belial Fabricius) included in that research, with additional material collected by R. B. Angus and D. J. Mann.
Pleistocene Helophorus (Coleoptera, Hydrophilidae) from Borislav and Starunia in the Western Ukraine, with a Reinterpretation of M. Lomnicki's Species, Description of a New Siberian Species, and…
The five Helophorus species described by Łomnicki (1894) from fossils in oil-impregnated Pleistocene silts at Borislav, near Lvov, are redescribed and indentified as modern species. Four of…
Separation of two species standing as Helophorus aquaticus (L.) (Coleoptera, Hydrophilidae) by banded chromosome analysis
TLDR
It is shown that these species differ because of reciprocal translocations between some chromosomes, and that they would therefore be unable to produce fertile hybrids.
Making the cryptic visible – resolving the species complex of Aphodius fimetarius (Linnaeus) and Aphodius pedellus (de Geer) (Coleoptera: Scarabaeidae) by three complementary methods
TLDR
The global distribution and species‐specific ecology of these ecologically important cryptic taxa were established and it was concluded that all types of characters offered a consistent classification of the two species.
A chromosomal analysis of 21 species of Oniticellini and Onthophagini (Coleoptera: Scarabaeidae)
TLDR
The material presented here provides a first opportunity for a comparison of the karyotypes of a suite of small scarabaeid dung beetles.
A reciassification of the Deronectes-group of genera (Coleoptera: Dytiscidae) based on a phylogenetic study
Within the Hydroporini, the Deronectes-group of genera are characterised by having the mesosternal fork and metasternal keel separated (or secondarily fused), the ventral elytral ridge posteriorly…
A Chromosomal Investigation of the West European Species of Corixa Geoffroy (Heteroptera: Corixidae)
TLDR
C-banded karyotypes are provided for the five west European species of Corixa Geoffroy, suggesting that they hybridise where their ranges overlap, and that the autosomes form true bivalents during diplotene in C. punctata.
Diving beetles (Coleoptera: Dytiscidae and Noteridae) of Egypt
Article Available for free download here: http://www.nottingham.ac.uk/~plzfg/EBBSoc/ejnh.html Egyptian Journal of Natural History Vol.1 1999: 1-112
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