Dr Andrew Polaszek

Dr Andrew Polaszek

Museum Scientist

Department: Life Sciences
Division: LS Insects
Contact: email
Phone: 0207 942 5573
NHM full CV
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Research Scientist (Hymenoptera), Insects Division, Dept of Life Sciences, Natural History Museum, London. Insect systematics and evolution, particularly evolution of host/parasitoid relationships in plant-feeders and parasitoids. The ecological impact of invasive insects and their natural enemies, especially in relation to island ecosystems. Conservation of natural enemies and pollinators. Applied entomology with reference to the tropics, biological control and integrated pest management. Insect identification and information database systems. Reformation and modernisation of animal systematics and nomenclature, including the development of a universal register for animal names and nomenclatural acts



PhD, Imperial College London, United Kingdom, 1982 - 1987

Employment history


President Elect, International Society of Hymenopterists, USA, UK, Asia, Africa, 2014 - 2016


Wang Z-H, Huang J, Polaszek A (2014) Three new species of Baeoentedon Girault (Hymenoptera: Eulophidae) from China, with the first record of whitefly host association (Hemiptera: Aleyrodidae). ZOOTAXA, 3826 (3): 591 - 600.

Polaszek A, Ayshford T, Yahya BE, Fusu L (2014) Wallaceaphytis : an unusual new genus of parasitoid wasp (Hymenoptera: Aphelinidae) from Borneo. Journal of Natural History, 48 : 1111 - 1123. doi: 10.1080/00222933.2013.852264

Bebber DP, Polaszek A, Wood JRI, Barker C, Scotland RW (2014) Taxonomic capacity and author inflation. New Phytologist, 202 (3): 741 - 742. doi: 10.1111/nph.12745

Wang ZH, Huang J, Polaszek A (2014) Three new species of Coccobius Ratzeburg (Hymenoptera, Aphelinidae) and redescription of C. abdominis Huang and C. furviflagellatus Huang from China.. Zootaxa, 3774 (5): 460 - 472. doi: 10.11646/zootaxa.3774.5.4


Three new species of Baeoentedon Girault (Hymenoptera: Eulophidae) from China, with the first record of whitefly host association (Hemiptera: Aleyrodidae)

. Zootaxa, 3826 (3): 591 - 591. doi: 10.11646/zootaxa.3826.3.9

Yoder M, Valerio A, Polaszek A, van Noort S, Masner L, Johnson N (2014) Monograph of the Afrotropical species of Scelio Latreille (Hymenoptera, Platygastridae), egg parasitoids of acridid grasshoppers (Orthoptera, Acrididae). ZooKeys, 380 (380): 1 - 188. doi: 10.3897/zookeys.380.5755

del Pino M, Hernandez-Suarez E, Cabello T, Rugman-Jones P, Stouthamer R, Polaszek A (2013) Trichogramma canariensis (Insecta: Hymenoptera: Trichogrammatidae) a parasitoid of eggs of the twin-spot moth Chrysodeixis chalcites (Lepidoptera: Noctuidae) in the Canary Islands. Arthropod Systematics & Phylogeny, 71 (3): 169 - 179.

Heraty JM, Burks RA, Cruaud A, Gibson GAP, Liljeblad J, Munro J, Rasplus J, Delvare G, Jansta P, Gumovsky A, Huber J, Woolley JB, Krogmann L, Heydon S, Polaszek A, Schmidt S, Darling DC, Gates MW, Mottern J, Murray E, Dal Molin A, Triapitsyn S, Baur H, Pinto JD, van Noort S, George J, Yoder M (2013) A phylogenetic analysis of the megadiverse Chalcidoidea (Hymenoptera). Cladistics, 29 (5): 466 - 542. doi: 10.1111/cla.12006

Balke M, Schmidt S, Hausmann A, Toussaint EFA, Bergsten J, Buffington M, Haeuser CL, Kroupa A, Hagedorn G, Riedel A, Polaszek A, Ubaidillah R, Krogmann L, Zwick A, Fikacek M, Hajek J, Michat MC, Dietrich C, La Salle J, Mantle B, Ng PKL, Hobern D (2013) Biodiversity into your hands - A call for a virtual global natural history 'metacollection'. Frontiers in Zoology, 10 (1): 55 - 55. doi: 10.1186/1742-9994-10-55

del Pino M, Rugman-Jones P, Hernandez-Suarez E, Polaszek A, Stouthamer R (2013) Rapid molecular identification of five species of Trichogramma occurring in the Canary Islands with notes on their distribution in banana groves. Biocontrol, 58 (4): 515 - 524. doi: 10.1007/s10526-013-9519-x

Shih YT, Ko CC, Pan KT, Lin SC, Polaszek A (2013) Hydrophylita (Lutzimicron) emporos Shih & Polaszek (Hymenoptera: Trichogrammatidae) from Taiwan, Parasitising Eggs, and Phoretic on Adults, of the Damselfly Psolodesmus mandarinus mandarinus (Zygoptera: Calopterygidae). Plos One, 8 (7)doi: 10.1371/journal.pone.0069331

POLASZEK A, Rugman-Jones PF, Stouthamer R, Hernandez-Suarez E, Cabello T, Perez MD (2012) Molecular and morphological diagnoses of five species of Trichogramma: biological control agents of Chrysodeixis chalcites (Lepidoptera: Noctuidae) and Tuta absoluta (Lepidoptera: Gelechiidae) in the Canary Islands. Biocontrol, 57 (1): 21 - 35. doi: 10.1007/s10526-011-9361-y

Wheeler Q, Bourgoin T, Coddington J, Gostony T, Hamilton A, Larimer R, POLASZEK A, Schauff M, Solis MA (2012) Nomenclatural benchmarking: the roles of digital typification and telemicroscopy. Zookeys, 209 (209)doi: 10.3897/zookeys.209.3486

Macfadyen S, Craze PG, POLASZEK A, van Achterberg K, Memmott J (2011) Parasitoid diversity reduces the variability in pest control services across time on farms. Proceedings of the Royal Society B-Biological Sciences, 278 (1723): 3387 - 3394. doi: 10.1098/rspb.2010.2673

POLASZEK A, Gill R (2011) A new species of whitefly (Hemiptera: Aleyrodidae) and its parasitoid (Hymenoptera: Aphelinidae) from desert lavender in California. Zootaxa, (2750): 51 - 59.

POLASZEK A, Albarracin EL (2011) Two new Encarsia species (Hymenoptera: Aphelinidae) reared from eggs of Cicadellidae (Hemiptera: Auchenorrhyncha) in Argentina: an unusual new host association. Journal of Natural History, 45 : 55 - 64. doi: 10.1080/00222933.2010.520169

POLASZEK A (2011) Primary and secondary parasitoids of Maculolachnus submacula (Hemiptera: Aphididae): Pauesia maculolachni (Hymenoptera: Braconidae) and Euneura lachni (Hymenoptera: Pteromalidae) new to Britain. British Journal of Entomology and Natural History, 24 : 27 - 29.

Rasekh B, Polaszek A (2010) New records of Encarsia (Hymenoptera: Chalcidoidea: Aphelinidae) parasitising Aleyrodidae (Hemiptera: Sternorrhyncha) in Iran, with the description of a new species. JOURNAL OF HYMENOPTERA RESEARCH, 19 (2): 223 - 227.

POLASZEK A. , (2010) Systema Naturae 250 - the Linnaean Ark. CRC Press. Boca Raton, Florida, USA.

POLASZEK A, MICHEL E (2010) Linnaeus – Sherborn – ZooBank.. , Polaszek , Systema Naturae 250: A quarter millenium of zoological nomenclature... Taylor & Francis. London.

Taekul C, Johnson N, Masner L, Polaszek A, Rajmohana K (2010) World species of the genus Platyscelio Kieffer (Hymenoptera: Platygastridae). ZooKeys, 50 (50): 97 - 126. doi: 10.3897/zookeys.50.485

Buffington ML, Polaszek A (2009) Recent occurrence of Aphanogmus dictynna (Waterston) (Hymenoptera: Ceraphronidae) in Kenya - an important hyperparasitoid of the coffee berry borer Hypothenemus hampei (Ferrari) (Coleoptera: Curculionidae). ZOOTAXA, (2214): 62 - 68.

Macfadyen S, Gibson R, POLASZEK A, Morris RJ, Craze PG, Planqué R, Symondson WOC, Memmott J (2009) Do differences in food web structure between organic and conventional farms affect the ecosystem service of pest control?. Ecology Letters, 12 (3): 229 - 238. doi: 10.1111/j.1461-0248.2008.01279.x

Hernández-Suárez EM, Rizza-Hernández R, Carnero- Hernández A, POLASZEK A (2009) Control Biológico de las moscas blancas espirales Aleurodicus dispersus Russell y Aleurodicus floccissimus (Martin et al.) en Canarias, España. Red de Cuerpos Académicos. Sistematíca y Ecología en Comunidades Forestales y Cultivos. Taller Internacional sobre Recursos Naturales, : 87 - 95.

POLASZEK A (2009) Masnerium wellsae gen. nov., sp. nov. (Hymenoptera: Platygastridae: Sceliotrachelinae) a parasitoid of Aleuroduplidens wellsae Martin (Hemiptera: Aleyrodidae) in Australia. Zookeys, 20 (20): 119 - 125. doi: 10.3897/zookeys.20.189

POLASZEK A (2009) The vision for zoology: ZooBank. Bulletin of Zoological Nomenclature, 66

POLASZEK A (2009) Esteemed Professor von Linné. , Knapp S, Wheeler Q, Letters to Linnaeus., pp. 185 - 187. Linnean Society. London.

POLASZEK A, Hernández-Suárez EM, Manzari S, Pedata PA, Schmidt S (2009) Megadiversity of Encarsia (Chalcidoidea, Aphelinidae): macroevolution in a microhymenopteran. Red de Cuerpos Académicos. Sistematíca y Ecología en Comunidades Forestales y Cultivos. Taller Internacional sobre Recursos Naturales, : 81 - 86.

POLASZEK A, McIvor C, Brooks J (2009) Pterandrophysalis levantina Nowicki (Hymenoptera: Trichogrammatidae): genus and species new to Britain and France. British Journal of Entomology and Natural History, 22 : 43 - 45.

Johnson NF, Masner L, Musetti L, Van Noort S, Rajmohana K, Darling DC, Guidotti A, POLASZEK A (2008) Revision of world species of the genus Heptascelio Kieffer (Hymenoptera: Platygastroidae, Platygastridae). Zootaxa, 1776 (6): 1 - 51. doi: 10.3897/zookeys.6.67

Yoder MJ, Valerio AA, POLAZSEK A, Masner L, Johnson NF (2009) Revision of Scelio pulchripennis-group species (Hymenoptera, Platygastroidea, Platygastridae). Zookeys, 20 (20): 53 - 118. doi: 10.3897/zookeys.20.205

Polaszek A, Kolberg R (2008) Rediscovery of Gryon chrysolaum (Walker) (Hymenoptera: Platygastridae)-an egg parasitoid of Holhymenia rubiginosa Breddin and Anisoscelis foliacea Fabricius (Heteroptera: Coreidae). ZOOTAXA, (1968): 39 - 44.

POLASZEK A, Manzari S (2008) A new species of Encarsia (Hymenoptera: Aphelinidae) parasitising Aleuromarginatus tephrosiae (Hemiptera: Aleyrodidae) in Iran and Oman. Journal of Hymenoptera Research, 17 (2): 134 - 137.

Johnson NF, Masner L, Musetti L, Van Noort S, Rajmohana K, Darling DC, Guidotti A, Polaszek A (2008) Revision of world species of the genus Heptascelio Kieffer (Hymenoptera : Platygastroidea, Platygastridae). ZOOTAXA, (1776): 1 - 51. doi: 10.1007/s10841-006-9057-2

Heraty JM, POLASZEK A, Schauff ME (2008) Chapter 4. Systematics and Biology of Encarsia. , Gould J, Hoelmer K, Goolsby J, Classical Biological Control of Bemisia tabaci in the United States. A review of interagency research and implementation. Progress in Biological Control 4.., pp. 71 - 87. Springer Science and Business Media B.V.. 1-343 pp.

Shih YT, Ko CC, POLASZEK A (2008) Encarsia (Hymenoptera: Aphelinidae) parasitoids of Bemisia species in Taiwan (Hemiptera: Aleyrodidae). Journal of Natural History, 42 : 2923 - 2941. doi: 10.1080/00222930802372482

Valverde L, Loiacono M, POLASZEK A (2008) Primera cita de Telenomus cyamophylax (Hymenoptera:Scelionidae) parasitoide de huevos de Anticarsia gemmatalis (Lepidoptera: Noctuidae) en Argentina. Revista de la Sociedad Entomologica Argentina, 67 : 83 - 85.

Varkonyi G, Polaszek A (2007) Rediscovery and revision of Foenobethylus Kieffer, 1913 (Hymenoptera, Bethylidae). ZOOTAXA, (1546): 1 - 14.

Polaszek A (2007) Response to Marcondes: Accepting name changes. Trends in Parasitology, 23 (7): 303 - 304. doi: 10.1016/j.pt.2007.04.010

KNAPP S, Polaszek A, Watson M (2007) Spreading the word. Nature First, 446 (7133): 261 - 262. doi: 10.1038/446261a

La Salle J, Polaszek A (2007) Afrotropical species of the Tetrastichus howardi species group (Hymenoptera: Eulophidae). African Entomology, 15 (1): 45 - 56. doi: 10.4001/1021-3589-15.1.45

MASNER L, JOHNSON NORMANF, POLASZEK ANDREWD (2007) Redescription of Archaeoscelio Brues and Description of Three New Genera of Scelionidae (Hymenoptera): A Challenge to the Definition of the Family. American Museum Novitates, 3550 (1): 1 - 1. doi: 10.1206/0003-0082(2007)3550[1:ROABAD]2.0.CO;2

KNAPP S, Polaszek A, Watson M (2007) e-publish or perish. Nature, 446 : 261 - 262.

Masner L, Johnson NF, POLASZEK A (2007) Redescription of Archaeoscelio Brues description of three new genera of Scelionidae (Hymenoptera): a challenge to the definition of the family. American Museum Novitates, 3550

Schmidt S, Polaszek A (2007) The Australian species of Encarsia Förster (Hymenoptera, Chalcidoidea: Aphelinidae), parasitoids of whiteflies (Hemiptera, Sternorrhyncha, Aleyrodidae) and armoured scale insects (Hemiptera, Coccoidea: Diaspididae). Journal of Natural History, 41 : 2099 - 2265. doi: 10.1080/00222930701550766

SCHMIDT STEFAN, POLASZEK ANDREW (2007) Encarsia or Encarsiella? - redefining generic limits based on morphological and molecular evidence (Hymenoptera, Aphelinidae). Systematic Entomology, 32 (1): 81 - 94. doi: 10.1111/j.1365-3113.2006.00364.x

Gumovsky A, POLASZEK A, Murphy S, Rabbi M, Zhu CD (2006) Closterocerus oryzamyntor (Hymenoptera: Eulophidae: Entedoninae), a larval parasitoid of the rice hispa Disladispa armigera in Bangladesh (Coleoptera: Chrysomelidae: Hispinae). Zootaxa, 1241 (1241): 51 - 59.

KRELL F, Polaszek A (2006) Report on the ZooBank Symposium: ESA Annual Meeting, Fort Lauderdale, Florida, 18 December 2005. Bulletin of Zoological Nomenclature, 63 : 6 - 7.

Otim M, Legg DJ, Kyamanywa S, Polaszek A, Gerling D (2006) Population dynamics of Bemisia tabaci (Homoptera: Aleyrodidae) parasitoids on cassava mosaic disease–resistant and susceptible varieties. Biocontrol Science and Technology, 16 (2): 205 - 214. doi: 10.1080/09583150500335558

POLASZEK A (2006) Two words colliding: resistance to changes in the scientific names of animals - Aedes vs Stegomyia. Trends in Parasitology, 22 (1): 8 - 9. doi: 10.1016/j.pt.2005.11.003

POLASZEK A. , (2006) Identification guide to the common insect parasitoids of the rice hispa in Bangladesh. Bangladesh Rice Research Institute. Gazipur.

POLASZEK A, Cranbrook G (2006) Insect species described from Alfred Russel Wallace's Sarawak collections. Malayan Nature Journal, 57 : 433 - 462.

Polaszek A, Grubb P, Groves C, Ehardt CL, Butynski TM (2005) The discovery of a new species of monkey - Response. SCIENCE, 309 (5744): 2164 - 2166.

POLASZEK A, Agosti D, Alonso-Zarazaga M, BECCALONI G, Place Bjørn PD, Bouchet P, Brothers DJ, Earl of Cranbrook , Evenhuis N, Godfray HCJ, Johnson NF, KRELL F, Lipscomb D, LYAL CHC, Mace G, Mawatari S, Miller SE, Minelli A, Morris S, Ng PKL, Patterson DJ, Pyle RL, Robinson N, Rogo L, TAVERNE J, THOMPSON. FC, Tol. J. , WHELLER QD, Wilson EO (2005) A universal register for animal names. Nature, 437 (7058)doi: 10.1038/437477a

POLASZEK A, Wilson EO (2005) Sense and stability in animal names. Trends in Ecology and Evolution, 20 (8): 421 - 422. doi: 10.1016/j.tree.2005.05.016

Otim M, Legg J, Kyamanywa S, Polaszek A, Gerling D (2005) Occurrence and activity of Bemisia tabaci parasitoids on cassava in different agro-ecologies in Uganda. BioControl, 50 (1): 87 - 95. doi: 10.1007/s10526-004-0822-4

Polaszek A, Alonso-Zarazaga M, Bouchet P, Brothers DJ, Evenhuis N, Krell F, Lyal CHC, Minelli A, Pyle RL, Robinson NJ, Thompson FC, van Tol J (2005) ZooBank: the open-access register for zoological taxonomy: technical discussion paper. Bulletin of Zoological Nomenclature, 62 : 210 - 220.

POLASZEK A, Carpenter J, WHEELER QD (2005) Phylofacts. Scientific American, 6

POLASZEK A, Grubb P, Groves C, Ehardt CL, Butynski TM (2005) What constitutes a proper description?. Science, 309 : 2164 - 2166.

Hui X, POLASZEK A, Huang DW (2005) A study of the genus Callitula Spinola (Hymenoptera: Pteromalidae) from China. Oriental Insects, 39 (1): 233 - 240. doi: 10.1080/00305316.2005.10417438

POLASZEK A, MANZARI S, QUICKE DLJ (2004) Morphological and molecular taxonomic analysis of the Encarsia meritoria species-complex (Hymenoptera, Aphelinidae), parasitoids of whiteflies (Hemiptera, Aleyrodidae) of economic importance. Zoologica Scripta, 33 (5): 403 - 421. doi: 10.1111/j.0300-3256.2004.00161.x

Xiao H, Zhang YZ, Huang DW, Polaszek A (2004) A revision of Homoporus (Hymenoptera : Pteromalidae) of China. RAFFLES BULLETIN OF ZOOLOGY, 52 (1): 59 - 65.

Pedata P, POLASZEK A (2003) A revision of the Encarsia longifasciata species-group (Hymenoptera: Aphelinidae). Systematic Entomology, 28 (3): 361 - 374. doi: 10.1046/j.1365-3113.2003.00216.x

Hernández-Suárez E, Carnero A, Aguiar A, Prinsloo G, LaSalle J, POLASZEK A (2003) Parasitoids of whiteflies (Hymenoptera: Aphelinidae, Eulophidae, Platygastridae; Hemiptera: Aleyrodidae) from the Macronesian archipelagos of the Canary Islands, Madeira and the Azores. Systematics and Biodiversity, 1 : 55 - 108.

Polaszek A, Rabbi MF, Islam Z, Buckley YM (2002) Trichogramma zahiri (Hymenoptera: Trichogrammatidae) an egg parasitoid of the rice hispa Dicladispa armigera (Coleoptera: Chrysomelidae) in Bangladesh. Bulletin of Entomological Research, 92 (6): 529 - 537. doi: 10.1079/BER2002197

Manzari S, Polaszek A, Belshaw R, Quicke DLJ (2002) Morphometric and molecular analysis of the Encarsia inaron species-group (Hymenoptera: Aphelinidae), parasitoids of whiteflies (Hemiptera: Aleyrodidae). Bulletin of Entomological Research, 92 (2): 165 - 176. doi: 10.1079/BER2001144

Kfir R, Overholt WA, Khan ZR, Polaszek A (2002) B IOLOGY AND M ANAGEMENT OF E CONOMICALLY I MPORTANT L EPIDOPTERAN C EREAL S TEM B ORERS IN A FRICA. Annual Review of Entomology, 47 (1): 701 - 731. doi: 10.1146/annurev.ento.47.091201.145254

MARTIN JH, POLASZEK A (1999) A new genus of Neotropical whitefly, secreting blue-iridescent wax (Sternorrhyncha, Aleyrodidae, Aleurodicinae), and its parasitoids (Hymenoptera, Aphelinidae). Journal of Natural History, 33 (10): 1545 - 1559. doi: 10.1080/002229399299888

Huang J, Polaszek A (1998) A revision of the Chinese species of Encarsia Förster (Hymenoptera: Aphelinidae): parasitoids of whiteflies, scale insects and aphids (Hemiptera: Aleyrodidae, Diaspididae, Aphidoidea). Journal of Natural History, 32 (12): 1825 - 1966. doi: 10.1080/00222939800770911

LASALLE JOHN, POLASZEK ANDREW, NOYES JOHN, ZOLNEROWICH GREGORY (1997) A new whitefly parasitoid (Hymenoptera: Pteromalidae: Eunotinae), with comments on its placement, and implications for classification of Chalcidoidea with particular reference to the Eriaporinae (Hymenoptera: Aphelinidae). Systematic Entomology, 22 (2): 131 - 150. doi: 10.1046/j.1365-3113.1997.d01-38.x

Mound LA, Martin JH, Polaszek A (1994) The insect fauna of Selaginella (Pteridophyta: Lycopsida), with descriptions of three new species. Journal of Natural History, 28 (6): 1403 - 1415. doi: 10.1080/00222939400770691


Polaszek A, Hayat M (1990) Dirphys boswelli (Hymenoptera: Aphelinidae) an egg-parasitoid of Plataspidae (Heteroptera). Journal of Natural History, 24 (1): 1 - 5. doi: 10.1080/00222939000770011

Polaszek A (1986) The effects of two species of hymenopterous parasitoid on the reproductive system of the pea aphid, Acyrthosiphon pisum. Entomologia Experimentalis et Applicata, 40 (3): 285 - 292. doi: 10.1111/j.1570-7458.1986.tb00513.x

Polaszek A (1986) Aestivating sexual morphs in the aphid genus Thelaxes (Insecta: Homoptera). Journal of Natural History, 20 (6): 1333 - 1338. doi: 10.1080/00222938600770891

Highlighted publications

Polaszek A, Ayshford T, Yahya BE, Fusu L (2014) Wallaceaphytis : an unusual new genus of parasitoid wasp (Hymenoptera: Aphelinidae) from Borneo. Journal of Natural History, 48 : 1111 - 1123. doi: 10.1080/00222933.2013.852264