Alexandr Rasnitsyn


Alexandr Pavlovich Rasnitsyn is a Russian entomologist, expert in palaeoentomology, and Honored Scientist of the Russian Federation.
His scientific interests are centered on the palaeontology, phylogeny, and taxonomy of hymenopteran insects and insects in general. He has also studied broader biological problems such as evolutionary theory, the principles of phylogenetics, taxonomy, nomenclature, and palaeoecology. He has published over 300 articles and books in several languages. In August 2008 he was awarded the Distinguished Research Medal of the International Society of Hymenopterists.

Biography

Alexandr Rasnitsyn was born on 24 September 1936 in Moscow. As a schoolboy Alex was active in the Society of Young Biologists at the Moscow Zoo. In 1955 he became a student at the Biological Faculty of the Moscow State University and in 1960 he graduated with honors from the Department of Entomology. His Master thesis was "Hibernation in the ichneumon-fly subfamily Ichneumoninae". The same year Rasnitsyn joined the Laboratory of Arthropods at the Paleontological institute, Academy of Sciences of USSR. In 1967 he received his Ph.D. in biology from the Paleontological Institute with the thesis "The Mesozoic Hymenoptera Symphyta and the early evolution of Xyelidae". After defending in 1978 his Dr. hab. thesis "The origin and evolution of Hymenoptera" Rasnitsyn became Head of the Laboratory of Arthropods. In 1991 he received the title of a Biology Professor. In 1996 he resigned from heading the Laboratory and continued there as a principal research worker, but after the new leader, Vladimir Zherikhin, died in 2001 Rasnitsyn again became the acting Head of the Laboratory.
Between 2001 and 2005 Rasnitsyn served as President of the International Palaeoentomological Society. Since 2007 he is serving on the Council of the Russian Entomological Society.
During more than 20 field seasons between 1956 and 2009 Rasnitsyn conducted field work in various regions of Russia and the former USSR, including Fergana Valley, Issyk Kul, Central Asia, Transbaikalia, Taimyr, Okhotsk, Sikhote-Alin, and other parts of Siberia, Far East, and Mongolia.

Family

Rasnitsyn has one son, Dmitri, who is from a previous marriage. Dmitri married a Masha Kreinin and Rasnitsyn now has three grandchildren; Alexandra, Shelly, and Jonathan Rasnitsyn, who all live in the US.

Research

One of the world’s leading paleoentomologists, Rasnitsyn has described ca. 250 new genera and over 800 new species of fossil insects from various orders.
He is one of the foremost authorities on the paleontology and systematics of Hymenoptera whose ideas have formed the foundation of the modern classification of that insect order. Instead of the traditional division into Symphyta and Apocrita, he divided the order into “sawflies” and “stinging and parasitic wasps’’, the latter suborder including the parasitic Orussoidea, traditionally placed in the Symphyta.
Rasnitsyn suggested his own hypothesis on the origin of insect flight. According to him, the wings first evolved, as a means to control gliding, in relatively large insects that had turned to feeding on generative organs of arboreal plants.
Rasnitsyn is one of the most consistent opponents of cladism. He develops an alternative approach to biological systematics, called “phyletics”, which differs from phenetics in taking into account genealogy in addition to similarities and hiatuses.
He also contributed significantly to the epigenetic theory of evolution and, in particular, has put forward the concept of “adaptive compromise” and the notion of macroevolution being irreducible to microevolutionary processes alone.
Rasnitsyn has also made a significant contribution to paleoecology and in collaboration with Vladimir Zherikhin developed the theory of ecological crises.

New taxa described by Alexandr Rasnitsyn

A.P. Rasnitsyn has also described ca. 250 new genera and over 800 new species of arthropods, mainly fossil.

Animal names in honor of Alexandr Rasnitsyn

Over 50 species of animals have been named in honor of Rasnitsyn, as well as some taxa of higher rank:
A.P. Rasnitsyn is an author of more than 300 books and articles, including 17 monographs.

Major works