Research interests
Biology, morphology, taxonomy, ecology, phylogeny and evolution of chalcid wasps (Chalcidoidea: Hymenoptera) with focus on Torymidae and Megastigmidae and the role of hymenopteran parasitoids (mostly Chalcidoidea) in ecosystems.
Dr. Petr Janšta
Interim Curator
Hymenoptera
Contact
Projects
The role of the ovipositor in parasitoid wasp evolution and diversification
Ovipositor evolution plays a key role in parasitoid wasp evolution and diversification. Using several monophyletic and biologically diverse subgroups of Chalcidoidea, we will test several hypotheses to clarify mechanisms underlying the evolution of insect parasitoids and to reveal general patterns that shaped the global diversity of this group of insects.
Evolution of host use and morphological adaptations in parasitoid family Torymidae (Hymenoptera: Chalcidoidea)
The project is focused on evolution of family Torymidae, morphological adaptations related to the host use, and coevolution between parasitoids and their hosts.
Publications
2021
- González E., Štrobl M., Janšta P., Hovorka T., Kadlec T., Knapp M. 2021. Artificial temporary non-crop habitats support parasitoids on arable land. Biological Conservation (submitted).
- Heneberg P., Bogusch P., Schwarz M., Janšta P., Holý K., Řezáč M., Astapenková A. 2021. Reed stalk cavities are limiting resources for specialized hymenopterans even within reed beds. Journal of Environmental Management (submitted).
- Samková A., Raška J., Janšta P., Skuhrovec J., Hadrava J. 2021. Female manipulation of offspring sex ratio in a gregarious parasitoid from a two-generation approach. Journal of Applied Entomology (submitted).
- van de Kamp T., Mikó I., Staniczek A., Eggs B., Bajerlein D., Faragó T., Hagelstein L., Hamann E., Spiecker R., Baumbach T., Janšta P., Krogmann L. 2021. Evolution of flexible biting in hyperdiverse parasitoid wasps. Proceedings of the Royal Society B (submitted).
2020
- Matallana-Ramirez L. P., Goode K., Bertone M., Janšta P., Burks R., Jetton R. & Frampton J. 2020. Assessing Megastigmus specularis (Hymenoptera: Megastigmidae) infestations in a Fraser fir (Abies fraseri (Pursh) Poir.) clonal seed orchard of the southern Appalachians. Scandinavian Journal of Forest Research 35: 445-455.
- Janšta P., Delvare G., Baur H., Wipfler B., Peters R.S. 2020. Data–rich description of a new genus of praying mantid egg parasitoids, Lasallegrion gen. n. (Hymenoptera: Torymidae: Podagrionini), with a re-examination of other Podagrion species of Australia and New Caledonia. Journal on Natural History 54: 755-790.
- Bubeníková K., Pujade-Villar J., Janšta P. 2020. Description of Torymus lasallei, sp. nov. (Hymenoptera: Torymidae), a species with an unusual ovipositor. Journal of Natural History 54: 791-800.
- Samková A., Hadrava J., Skuhrovec J., Janšta P. 2020. Host specificity of the parasitic wasp Anaphes flavipes (Hymenoptera: Mymaridae) and a new defence in its host Oulema species (Coleoptera: Chrysomelidae). Insects 11(3): 175.
- Haas M., Burks R.A., Janšta P., Krogmann L. 2020. Redescription and phylogenetic placement of the Cretaceous wasp Parviformosus wohlrabeae (Hymenoptera: Proctotrupomorpha). Palaeontologia Electronica 23(1):a05.
- Samková A., Janšta P., Huber J. 2020. Illustrated key to European genera, subgenera and species groups of Mymaridae (Hymenoptera), with new records for the Czech Republic. Zootaxa 4722(3): 201-233.
2019
- Samková A., Hadrava J., Skuhrovec J., Janšta P. 2019. Effect of adult feeding and timing of host exposure on the fertility and longevity of the parasitoid Anaphes flavipes. Entomologia Experimentalis et Applicata 167(11): 932-938.
- Samková A. Hadrava J., Skuhrovec J., Janšta P. 2019. Reproductive strategy as a major factor determining female body size and number of offspring of a gregarious parasitoid. Journal of Applied Entomology 143: 441-450.
- Samková A., Hadrava J., Skuhrovec J., Janšta P. 2019. Host population density and presence of predators as key factors influencing the number of gregarious parasitoid Anaphes flavipes offspring. Scientific Reports 9: 6081.
- Bogusch P., Roháček J., Baňař P., Astapenková A., Kouklík O., Pech P., Janšta P., Heller K., Hlaváčková L., Heneberg P. 2019. The presence of high numbers of empty shells in anthropogenic habitats is insufficient to attract shell adopters among the insects. Insect Conservation and Diversity 12: 193-205.
2018
- Janšta P., Cruaud A., Delvare G., Genson G., Heraty J., Křížková B., Rasplus J.-Y. 2018. Torymidae (Hymenoptera, Chalcidoidea) revised: molecular phylogeny, circumscription and reclassification of the family with discussion of its biogeography and evolution of life-history traits. Cladistics 34: 627-651.
- Vilímová J., Křížková P., Janšta P., McPherson J. E. 2018. Sexual dimorphism in external scent efferent system of metathoracic scent glands in Aradidae: First evidence within Heteroptera. Zoologischer Anzeiger 274: 115-122.
2017
- Samková A., Janšta P., Huber J. T. 2017. Anaphes flavipes: redescription, neotype designation, and comparison with A. nipponicus (Hymenoptera: Chalcidoidea: Mymaridae). Acta Entomologica Musei Nationalis Pragae 57: 677-711.
- Janšta P., Delvare G., Krogmann L., Schütte K., Peters R. 2016. Systematics, biology and distribution of Microdontomerus iridis (Picard, 1930) comb. n. (Hymenoptera, Torymidae, Toryminae, Microdontomerini), a parasitoid of Mantodea oothecae. Journal of Hymenoptera Research 48: 1-18.
2016
Bogusch P., Macek J., Janšta P., Kubík Š., Řezáč M., Holý K., Malenovský I., Baňař P., Mikát M., Astapenková A., Heneberg P. 2016. Post-industrial habitats serve as critical refuges for pioneer species of newly identified arthropod assemblages associated with reed galls. Biodiversity and Conservation 25:827-863.
Honěk A., Martinková Z., Skuhrovec J., Barták M., Bezděk J., Bogusch P., Hadrava J., Hájek J., Janšta P., Jelínek J., Kirschner J., Kubáň V., Pekár S., Průdek P., Štys P., Šumpich J. 2016. Arthropod fauna recorded in flowers of apomictic Taraxacum section Ruderalia. European Journal of Entomology 113: 173-183.
2015
- Fallahzadeh M., Azadi S., Janšta P. 2015. A contribution to the knowledge of the Torymidae (Hymenoptera, Chalcidoidea) from South-Western Iran. Acta Phytopathologica et Entomologica Hungarica 50: 297-305.
- Musilová Z., Říčan O., Říčanová Š., Janšta P., Gahura O., Novák J. 2015. Phylogeny and historical biogeography of trans-Andean cichlid fishes (Teleostei: Cichlidae). Vertebrate Zoology 65: 333-350.
- Tropek R., Leština D., Janšta P., Brattström O., Espeland M., Safian S. 2015. First records of Hypolycaena anara Larsen, 1986 from Cameroon (Lepidoptera: Lycaenidae). SHILAP – Revista de Lepidopterologia 43: 235-239.
- Bartoš M., Tropek R., Spitzer L., Padyšáková E., Janšta P., Straka J., Tkoč M., Janeček Š. 2015. Specialization of pollination systems of two co-flowering phenotypically generalized Hypericum species (Hypericaceae) in Cameroon. Arthropod-Plant Interactions 9: 241-252.
- Janšta P., Klaudisová A., Vilímová J., Malenovský I. 2015. Insect community on Jurinea cyanoides (Asteraceae), a plant species protected under NATURA 2000. Biologia 70: 252-267.
2014
- Zima J. Jr., Leština D., Janšta P., Petru V., Tropek R. 2014. Isolation and characterisation of microsatellite markers for Mylothris jacksoni knutsoni (Lepidoptera: Pieridae), an endemic butterfly of the Gulf of Guinea Highlands. Conservation Genetics Resources 6: 763-764.
2013
Janšta P., Křížková B., Vilímová J., Rasplus J.-Y. 2013. Description of a new genus, Chileana (Hymenoptera: Chalcidoidea: Torymidae), with four new species. Zootaxa 3745: 49-63.
Heraty J. M., Burks R. A., Cruaud A., Gibson G. A. P., Liljeblad J., Munro J., Rasplus J.-Y., Delvare G., Janšta P., Gumovsky A., Huber J., Woolley J. B., Krogmann L., Heydon S., Polaszek A., Schmidt S., Darling D. C., Gates M. W., Mottern J., Murray E., Dal Molin A., Triapitsyn S., Baur H., Pinto J. D., van Noort S., George J., Yoder M. 2013. A phylogenetic analysis of the megadiverse Chalcidoidea (Hymenoptera). Cladistics 29: 466-542.
Tropek R., Janšta P., Leština D. 2013. Acraea wigginsi occidentalis (Bethune-Baker, 1926), a new butterfly for Nigeria, with remarks on its habitat and known distribution (Lepidoptera: Nymphalidae). SHILAP – Revista de Lepidopterologia 41: 163-165.
2012
- Janšta P. 2012. Description of male of Leucospis insularis (Hymenoptera: Chalcidoidea: Leucospidae) with new records and check-list of Chalcidoidea of Socotra Island. Acta Entomologica Musei Nationalis Pragae 52(Suppl.): 517-523.
2011
- Šípek P., Janšta P., Král D. 2011. Immature stages of Euchirinae (Coleoptera: Scarabaeoidea): genera Cheirotonus and Propomacrus with comments on their phylogeny based on larval and adult characters. Invertebrate Systematics 25: 282-302.
- Munro J. B., Heraty J. M., Burks R. A., Hawks D., Mottern J., Cruaud A., Rasplus J.-Y., Janšta P. 2011. A Molecular Phylogeny of the Chalcidoidea (Hymenoptera). PLOS One 6: e27023.
- Janšta P., Vilímová J., Hanson P. 2011. Description of a new genus, Boucekinus (Hymenoptera: Chalcidoidea: Torymidae), with two new species and a discussion of its possible phylogenetic placement. Zootaxa 2762: 49-55.
2010
Rost-Roszkowska M. M., Janšta P., Vilimova J. 2010. Fine structure of the midgut epithelium on two Archaeognatha, Lepismachilis notata and Machilis hrabei (Insecta) in relation to its degeneration and regeneration. Protoplasma 247: 91-101.
Rost-Roszkowska M. M., Vilímova J., Janšta P., Chajec Ł., Machida R., Fukui M. 2010. Apoptosis in the midgut epithelia of insects. Acta Biologica Cracoviensia Series Botanica 52: 37.
2007
- Kuldová J., Hrdý I., Janšta P. 2007. The horse chestnut leafminer Cameraria ohridella: chemical control and notes on parasitisation. Plant Protection Science 43: 47–56.
2006
- Janšta P., Bouček Z. 2006. A new species of Eridontomerus Crawford, 1907 with taxonomic and faunistic notes on some other taxa (Hymenoptera: Chalcidoidea: Torymidae). Acta Entomologica Musei Nationalis Pragae 46: 211-218.
CV
since 2021
Postdoc and interim curator of Hymenoptera at the State Museum of Natural History Stuttgart
2020-2021
- Assistant Professor, Charles University, Prague, Czech Republic
2019-2020
- Fulbright Visiting Scholar, University of California, Riverside, USA
2015-2019
- Assistant Professor, Charles University, Prague, Czech Republic
2009-2015
- Research assistant, Charles University, Prague, Czech Republic
2006-2009
- Lecturer, Charles University, Prague, Czech Republic
Education
2006-2014
- Ph.D., Zoology, Charles University, Prague, Czech Republic
2001-2006
- M.Sc., Biology, Charles University, Prague, Czech Republic
Editorial activities
Journal Referee
Journal of Hymenoptera Research