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Snezhana Grozeva

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Personal information

GSM +359 888 673619

Curriculum vitae

Address: Institute of Biodiversity and Ecosystem research, Bulgarian Academy of Sciences
blvd. "Tzar Osvoboditel" 1, Sofia 1000, Bulgaria

Born: 29 October 1959
1985 - graduated from the Faculty of Biology at Sofia University.
1990 - PhD with a thesis “Karyotypes and reproductive system of representatives of some primitive families Pentatomomorpha (Heteroptera)”
1990-1992 – biologist, Institute of Zoology, Bulgarian Academy of Sciences.
1992-2003 - Scientific researcher, Institute of Zoology, Bulgarian Academy of Sciences.
2003-2010 - Assoc. prof., Institute of Zoology, Bulgarian Academy of Sciences
2010-2014 - Assoc. prof., Institute of Biodiversity and Ecosystem research, Bulgarian Academy of Sciences
since 15 April, 2014 - Professor, Institute of Biodiversity and Ecosystem research, Bulgarian Academy of Sciences

2002-at present - teaching “Cytogenetic methods in taxonomy” at Sofia University, Faculty of Biology, Department of Zoology.

1986-1990 - PhD student, the Zoological Institute of AS USSR, Leningrad, Russia
1989 – 2 weeks training course, University of Novosibirsk, Russia
1993-2000 - collaboration with the colleagues at the Inst. of Animal Systelatics and Evolution, Cracow, Poland
1996–2009 - collaboration with the colleagues at the University of Turku, Finland.
1990-at present - collaboration with the colleagues at the Zoological institute, St Petersburg, Russia
2016-at present - collaboration with the colleagues at the University of Lleida, Spain

Research interests

ENTOMOLOGY – karyosystematics and evolution of insects with holokinetic chromosomes
GENETICS – cytogenetics of holokinetic chromosomes
(Relevant scientific techniques: cytogenetic techniques - routine procedure, differential staining, in situ hybridization (FISH), immunofluorescence).

Citations: over 200 in scientific papers, monographies and dissertations.


Грозева С. M. 1989. Kaриотипы и некоторые признаки половой системы у клопов подсемейства Artheneinae (Heteroptera, Pentatomomorpha, Lygaeidae). Eнтомол. oбозр. 4: 700-709 Reprint Request - Artheneinae

Грозева С. 1990. Kaриотипы и строение половой системы клопов рода Piesma (Heteroptera, Piesmatidae). Зоол. Ж. 69 (11): 46-55. Reprint Request - Piesma

Grozeva S. M., Kerzhner I. M. 1992. On the phylogeny of the Aradid subfamilies (Heteroptera, Aradidae). Acta Zool. Hung. 38 (3-4): 199-205.
Reprint Request - Aradidae

Grozeva S. M., Kuznetsova V. G. 1992. The reproductive system of some bug families (Heteroptera, Pentatomomorpha). In: Advances in Regulation of Insect repr. 97-102. Reprint Request - Reproductive system

Grozeva S. M., Kuznetsova V. G. 1993. Notes on the karyotypes of some lygaeid bugs (Heteroptera, Pentatomomorpha, Lygaeidae). Fol. Biol. (Krakow) 41 (3-4): 65-75. Reprint Request - Lygaeidae

Grozeva S. M. 1995. The occurrence of m-chromosomes in the karyotypes of six species of the Oxycareninae (Heteroptera, Lygaeidae). Fol. Biol. (Krakow) 43 (1-2): 55-59. Reprint Request - Oxycareninae
Grozeva S. M. 1995. Karyotypes, male reproductive system, and abdominal trichobothria of the Berytidae (Heteroptera) with phylogenetic considerations. Syst. Entomol. 20: 207-216. Reprint Request - Berytidae
Grozeva S. M., Maryanska-Nadachowska A. 1995. Meiosis of two species of Cacopsylla with polymorphic sex chromosomes in males (Homoptera, Psyllidae). Fol. Biol. (Krakow) 43 (3-4): 93-98. Reprint Request - Cacopsylla 1

Grozeva S. M., Nokkala S. 1996. Chromosomes and their meiotic behavior in two families of the primitive infraorder Dipsocoromorpha (Heteroptera). Hereditas 125: 31-36. Reprint Request - Dipsocoridae

Grozeva S. M. 1997. Cytogenetic analysis of some aradid species (Heteroptera: Aradidae). Eur. J. Entomol. 94: 421-424. Reprint Request - Aradidae 2
Nokkala S., Grozeva S. M. 1997. Chromosomes in two stilt bug species Metatropis rufescens Herrich-Schaeffer ssp. linneae Wagner and Berytinus minor Herrich- Schaeffer (Heteroptera, Berytidae). Caryologia 50 (3-4): 263-269. Reprint Request - Berytidae 2

Burgov A., Grozeva S. 1998. Neo-XY chromosome sex determination in four species of the pamphagid grasshoppers (Orthoptera, Acridoidea, Pamphagidae) from Bulgaria. Caryologia, 52 (2): 115-121 Reprint Request - Orthoptera

Nokkala S., Grozeva S. M. 2000. Achiasmatic male meiosis in Myrmedobia coleoptrata (Fn.) (Heteroptera, Microphysidae). Caryologia 53 (1): 5-8. Reprint Request - Myrmedobia

Grozeva S., Nokkala S. 2001. Chromosome number, sex determining systems, and the paterns of the C-heterochromatin distribution in 13 species lace bugs (Heteroptera, Tingidae) Folia Biol. (Krakow) 49 (1-2): 29-41. Reprint Request - Tingidae
Maryanska-Nadachowska A., S. Grozeva 2001. Chromosome banding in Cacopsylla mali (Schmidberger) and C. sorbi (Linnaeus) (Homoptera, Psyllidae) with polymorphic sex chromosomes. Folia Biol. (Krakow) 49 (3-4): 157-161. Reprint Request - Cacopsylla 2

Grozeva S., S. Nokkala 2002. Achiasmatic male meiosis in Cimex sp. (Heteroptera, Cimicidae). Caryologia, 55 (3): 189-192. Reprint Request - Cimex 2002/a>

Grozeva S. 2003. Karyotype of three endemic Mediterranean Miridae species (Heteroptera) from Bulgaria. Acta Zool. Bulg. 55 (1): 53-59. Reprint Request - Endemic Miridae
Nokkala S., S. Grozeva, V. Kuznetsova, A. Maryanska-Nadachowska 2003. The origin of the achiasmatic XY sex chromosome system in Cacopsylla peregrina (Frst.) (Psylloidea, Homoptera). Genetica, 119: 327-332 IF 1.492 Reprint Request - C peregrina
Grozeva S., S. Nokkala 2003. C-heterochromatin and extra (B) chromosome distribution in six species of the Nabis (Heteroptera, Nabidae) with the modal male genus karyotype 2n=16+XY. Eur. J. Entomol. 51 (1-2): 13-21. IF 0.741. Reprint Request - Nabis 2=16+XY

Grozeva S., V. Kuznetsova, S. Nokkala 2004. Patterns of chromosome banding in four nabid species (Heteroptera, Cimicomorpha, Nabidae) with high-chromosome number karyotypes. Hereditas 140: 99-104. IF 1.269 Reprint Request - NABIDAE 1
Kuznetsova V., S. Grozeva, S. Nokkala 2004. New cytogenetic data on Nabidae (Heteroptera, Cimicomorpha), with discussion on karyotype variation and meiotic patterns and their taxonomic significance. Eur. J. Entomol. 101: 205-210. IF 0.741. Reprint Request - NABIDAE 2
Грозева С. 2004. Влияние на хронично въздействие с оловни йони върху култура от Oxycarenus lavaterae (Heteroptera). Acta Entomol.Bulg. 10 (3): 19-27. Reprint Request - Oxycarenus

Grozeva S., S. Nokkala, N. Simov 2006. First evidence of sex chromosomes pre-reduction in male meiosis in the Miridae bugs (Heteroptera). Folia Biol. (Krakow), 54 (1-2): 9-12. IF 0.308 Reprint Request - Macrolophus

Grozeva S., Marinov M. 2007. Cytogenetic study of Somatochlora borisi Marinov, 2001 and three relative species (Odonata: Corduliidae). Acta zool. Bulgarica 59 (1): 53-58. Reprint Request - Somatochlora
Kuznetsova V.G., S. Grozeva, J. N. Sewlal and S. Nokkala 2007 Cytogenetic characterization of the endemic of Trinidad, Arachnocoris trinitatus Bergroth: the first data for the tribe Arachnocorini (Heteroptera: Cimicomorpha: Nabidae). Folia Biol. (Krakow), 55 (1-2): 17-26 IF 0.308 Reprint Request - Arachnocoris
Nokkala C., V. Kuznetsova, S. Grozeva, Nokkala S. 2007. Direction of karyotype evolution in the bug family Nabidae (Heteroptera): New evidence from 18S rDNA analysis. Eur. J. Entomol. 104(4): 661–665 IF 0.741. Reprint Request - 18S rDNA
Grozeva S., Simov N., Josifov M. 2007. Karyotaxonomy of some European Macrolophus species (Heteroptera, Miridae). Mainzer Naturwissenschaftliches Archiv/Beiheft 31 (81-87). Reprint Request - EU Macrolophus

Grozeva S., Simov N. 2008. Cytogenetic Studies of Bryocorinae true bugs (Heteroptera, Miridae). Acta Zool. Bulgarica Suppl 2, 61-70. Reprint Request - Bryocorinae
Grozeva S., N. Simov 2008. Cytotaxonomy of two Cremnocephalus species (Heteroptera: Miridae). In: S. Grozeva & N. Simov (Eds) 2008 Advances in Heteroptera Research, Festschrift in Honour of 80th Anniversary of Michail Josifov, pp. 171-179. Reprint Request - Cremnocephalus
Grozeva S., S. Nokkala, N. Simov 2008. Achiasmatic meiosis in two Micronecta species (Heteroptera, Nepomorpha, Micronectidae). Comparative cytogenetics. 2(1): 73-78. Reprint Request - Micronecta
Kuznetsova V.G., S. Grozeva 2008. Cytogenetic characters of Arachnocoris trinitatus Bergroth, 1916 (Insecta: Heteroptera: Nabidae) from nests of the spider Coryssocnemis simla Huber, 2000 (Araneae: Pholcidae), Comparative cytogenetics. 2(2): 139-142. Reprint Request - Arachnocoris 2

Grozeva, S., Nokkala, S., Simov, N. 2009. Chiasmate male meiosis in five species of water bugs from infraorders Nepomorpha and Gerromorpha (Insecta, Heteroptera). Comparative cytogenetics, 3 (2): 125-131. IF 0,923 doi: 10.3897/compcytogen.v3i2.19
Reprint Request - Water bugs
Grozeva, S., Simov, N. 2009. Сytogenetic study of two Dryophilocoris species: D. luteus и D. flavoquadrimaculatus (Insecta, Heteroptera, Miridae). Genetics and Breeding, 38(1): 41-45 Reprint Request - Dryophilocoris

Кузнецова В.Г., Грозева С. 2010. Ахиазматический мейоз: обзор. Вестник ВОГС. 14 (1): 79-88.
Reprint Request - Achiasmate meiosis
Grozeva S., V. Kuznetsova, B. Anochin 2010. Bad bug Cimex lectularius Linnaeus 1758 cytogenetics: karyotype, sex chromosome system, chromosomal location of 18S rDNA, and male meiosis (Heteroptera, Cimicidae). Comparative cytogenetics, 4(2): 151-160, IF 0,923. doi: 10.3897/compcytogen.v4i2.36 Reprint Request - Cimex FISH

Grozeva S, Kuznetsova VG, Anokhin BA 2011. Karyotypes, male meiosis and comparative FISH mapping of 18S ribosomal DNA and telomeric (TTAGG)n repeat in eight species of true bugs (Hemiptera, Heteroptera) Comparative Cytogenetics 5(4): 355–374 IF 0,606. doi: 10.3897/CompCytogen.v5i4.2307 Reprint Request - FISH, telomeres
Kuznetsova V, Grozeva S, Nokkala S., Nokkala C.2011. Cytogenetics of the true bug infraorder Cimicomorpha (Hemiptera, Heteroptera): a review. Zookeys, 154: 31-70 doi: 10.3897/zookeys.154.1953 Reprint Request - Cimicomorpha Review

Simov N., M. Langourov, S. Grozeva, D. Gradinarov 2012. New and Interesting Records of Alien and Native True Bugs (Hemiptera: Heteroptera) from Bulgaria. Acta zool. bulg., 64 (3), 2012: 241-252 Reprint Request - Alien True Bugs

Kuznetsova VG, Grozeva S, Anokhin BA 2012 The first finding of (TTAGG) n telomeric repeat in chromosomes of true bugs (Heteroptera, Belostomatidae) CompCytogen 6(4): 341–346, doi: 10.3897/CompCytogen.v6i4.4058 (link)

Grozeva, S., Kuznetsova, V., Simov, N., Langourov, M., Dalakchieva, S. (2013) Sex chromosome pre-reduction in male meiosis of Lethocerus patruelis (Stål, 1854) (Heteroptera, Belostomatidae) with some notes on the distribution of the species. ZooKeys 319 (Special issue: Advances in Hemipterology): 119-135 (doi: 10.3897/zookeys.319.4384) (link)

Popov A, Grozeva S, Simov N, Tasheva E (Eds) (2013) Advances in Hemipterology. ZooKeys 319, 377pp. (link)

Michailova, P., Chassovnikarova, T., Ilkova, J., Grozeva, S., Chobanov, D., Warchałowska-Śliwa, E., Simov, N., Atanassov, N., Mitkovska, V. & Dimitrov, H. 2013. Genome biomarker test system for environmental risk assessment. Sofia, Moscow: Pensoft Publishers (ISBN 978-954-642-708-3). (link)

Grozeva S, Kuznetsova V, Hartung V (2014) First cytogenetic study of Coleorrhyncha: meiotic karyotype of Xenophyes cascus Bergroth, 1924 (Hemiptera: Peloridiidae). European journal of Entomology 111(2):303-306. IF=0,918 Reprint Request - Peloridiidae1

Grozeva S, Anokhin B.A. and Kuznetsova V.G.(2014) Recent advances in cytogenetics of bed bugs: FISH mapping of the 18S rDNA and TTAGG telomeric loci in Cimex lectularius Fabricius, 1803 (Hemiptera, Heteroptera, Cimicidae) CHAPTER 8 In: Protocols for chromosome mapping of arthropod genomes, CRC press (Taylor & Francis Group), 283-322.Reprint Request - Cimex cytogenetics

Jauset, AM, Edo-Tena, E, Castañé, C, Agusti, N, Alomar, O, Grozeva, S. Comparative cytogenetic study of three Macrolophus species (Heteroptera, Miridae). Comparative cytogenetics, 9, 4, 2015, ISSN:1993-078X (online) | 1993-0771 (print), DOI:10.3897/CompCytogen.v9i4.5530, 613 - 623. ISI IF:1.211

Kuznetsova, VG, Grozeva, S, Hartung, V, Anokhin, BA. First evidence for (TTAGG)n telomeric sequence and sex chromosome post-reduction in Coleorrhyncha (Insecta, Hemiptera). Comparative cytogenetics, 9, 4, Pensoft, 2015, ISSN:1993-078X (online) | ISSN 1993-0771 (print), DOI:10.3897/CompCytogen.v9i4.5609, 523 - 532. ISI IF:1.21

Stoianova, D, Grozeva, S. Water bugs (Heteroptera: Nepomorpha and Gerromorpha) as bioindicators in ecological studies. Proceedings of the Seminar of Ecology - 2014, with international participation dedicated to 70 years USB, Фараго, 2015, ISBN:979-853-476-132-4, 62-65

Stoianova, D, Simov, N, Grozeva, S, Kuznetsova,VG. Achiasmate male meiosis in two Cymatia species (Hemiptera, Heteroptera, Corixidae). Zookeys, Lukhtanov VA, Kuznetsova VG, Grozeva S, Golub NV (Eds) Genetic and cytogenetic structure of biological diversity in insects, 538, 1, Pensoft, 2015, ISSN:1313-2970 (online) | 1313-2989 (print), DOI:10.3897/zookeys.538.6722, 9-104. ISI IF:0.933

Todorov, M, Grozeva, S, Hubenov, Z, Kenderov, L, Trichkova, T. Taxonomic status of medicinal leeches (Hirudinea, genus Hirudo) from Bulgaria. Acta zoologica bulgarica, 68, 2, 2016, ISSN:0324-0770, 171-182. ISI IF:0.31

Stoianova, D, Grozeva, S, Simov, N, Kuznetsova,V. Karyotype, sex determination and male meiosis in three benthic water bugs (Hemiptera: Nepomorpha: Apheloheiridae). Aquatic insects, 38, 3, Taylor & Francis Group, 2017, ISSN:Print ISSN: 0165-0424 Online ISSN: 1744-4152, DOI:10.1080/01650424.2017.1346260, 115-124. ISI IF:0.524 С ISI IF - Q4

Angus, RB, Jeangirard, C, Stoianova, D, Grozeva, S, Kuznetsova, VG. A chromosomal analysis of Nepa cinerea Linnaeus, 1758 and Ranatra linearis (Linnaeus, 1758) (Heteroptera, Nepidae). Comparative cytogenetics, 11, 4, PENSOFT, 2017, ISSN:1993-078X (online), ISSN 1993-0771 (print), DOI:, 641-657. ISI IF:1.151

Michailova, P, Kuznetsova,V, Grozeva, S, Ilkova, J, Petrova, N. In Memoriam: Professor Iya Kiknadze (1930–2017). Comparative cytogenetics, 12, 1, PENSOFT, 2018, DOI:, 141-144. ISI IF:1.319 С ISI IF - Q4

Simov N, Grozeva S, Langourov M, Georgieva M, Mirchev P, Georgiev G. Rapid expansion of the Oak lace bug Corythucha arcuata (Say, 1832) (Hemiptera: Tingidae) in Bulgaria. Historia naturalis bulgarica, 27, 2018, ISSN:0205-3640 (print) | ISSN 2603-3186 (online), 51-55

Grozeva S, Anokhin BA, Simov N, Kuznetsova VG. New evidence for the presence of the telomere motif (TTAGG) n in the family Reduviidae and its absence in the families Nabidae and Miridae (Hemiptera, Cimicomorpha). Comp Cytogenet., 13, 3, Pensoft, 2019, ISSN:1993–078X (online) | ISSN 1993–0771 (print), DOI:10.3897/CompCytogen.v13i3.36676, 283-295. ISI IF:0.882

Kuznetsova VG, Grozeva SM, Gokhman VE. 2020. Telomere structure in insects: A review. J Zool Syst Evol Res., 58, 1, Wiley, ISSN:Online ISSN:1439-0469, DOI:https :// jzs.12332, 1-32. JCR-IF (Web of Science):2.909

Stoianova D, Simov N, Vu MQ, Nguyen DM, Grozeva S. New data on karyotype, spermatogenesis and ovarian trophocyte ploidy in three aquatic bug species of the families Naucoridae, Notonectidae, and Belostomatidae (Nepomorpha, Heteroptera). Comparative Cytogenetics, 14, 1, Pensoft Publishers, 2020, ISSN:1993–078X (online) | 1993–0771 (print), DOI:, 139-156. JCR-IF (Web of Science):0.882

Kuznetsova VG, Gavrilov-Zimin IA, Grozeva SM, Golub NV. Comparative analysis of chromosome numbers and sex chromosome systems in Paraneoptera (Insecta). Comparative Cytogenetics, 15, 3, Pensoft Publishers, 2021, DOI:, 279-327. JCR-IF (Web of Science):1.8

Gavrilov-Zimin IA, Grozeva S, Gapon DA, Kurochkin AS, Trencheva KG, Kuznetsova VG. Introduction to the study of chromosomal and reproductive patterns in Paraneoptera. Comparative cytogenetics, 153, 3, Pensoft Publishers, 2021, ISSN:1993-078X (online) | 1993-0771 (print), DOI:, 217-238. JCR-IF (Web of Science):1.8

Grozeva S, Stoianova D, Konstantinov F, Simov N, Kuznetsova V. A synopsis of the numbers of testicular follicles and ovarioles in true bugs (Heteroptera, Hemiptera) – sixty-five years of progress after J. Pendergrast’s review.. ZooKeys, 1136, Pensoft, 2022, ISSN:ISSN 1313-2970 (online) | ISSN 1313-2989 (print), DOI:, 71-123. SJR (Scopus):0.639, JCR-IF (Web of Science):1.492

Perera OP, Saha S, Glover J, Parys KA, Allen KC, Grozeva S, Kurzt R, Reddy GVP, Johnston JS, Daly M, Swale T. A chromosome scale assembly of the tarnished plant bug, Lygus lineolaris (Palisot de Beauvois), genome. BMC Res Notes, 16, 1, 125, Springer Nature, 2023, ISSN:1756-0500, DOI:, SJR (Scopus):0.53, IF 1.8


Животинско разнообразие и ресурси - Animal Diversity and Resources
Биоразнообразие и екология на безгръбначните животни - Biodiversity and ecology of invertebrata
Research group
Цитотаксономия и еволюция - Cytotaxonomy and Evolution


Member for
13 years 9 weeks