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Francis Milburn Howlett

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Francis "Frank" Milburn Howlett (5 January 1877 – 20 August 1920[1]) was a British entomologist who served in India in the position of a Second Imperial Entomologist, a position which was later changed to the Imperial Pathological Entomologist in India. He specialized in insects (mainly Diptera - sandflies[2]) and parasitic ticks of medical and veterinary importance.[3] A major discovery by him was the attractant methyl eugenol and its effect on flies of the genus Bactrocera.

Francis Howlett
Born
Francis Milburn Howlett

(1877-01-05)5 January 1877
Wymondham, Norfolk, England
Died20 August 1920(1920-08-20) (aged 43)
Mussoorie, India
NationalityBritish
EducationWymondham Grammar School
Bury St Edmunds Grammar School
Alma materChrist's College, Cambridge
OccupationEntomologist
Parents
  • Francis John Howlett (father)
  • Mary Jane (mother)

Life and work

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Illustrated key to blood-sucking arthropods by Howlett, 1909

Howlett was born in Wymondham, Norfolk, the son of Francis John Howlett, a solicitor, and Mary Jane née Milburn. He was educated at Wymondham Grammar School and Bury St Edmunds Grammar School,[4] and then at Christ's College, Cambridge. He was an assistant master at Edinburgh Academy from 1900 to 1903 and at Holt Grammar School before being posted as a professor of natural science (which included the teaching of chemistry) at Muir Central College, Allahabad, from 1905 to 1908, initially in a temporary position (to replace E.G. Hill who was on furlough) which was then extended.[5][6] He joined the Imperial Agricultural Research Institute at Pusa in December 1907 as Second (i.e. deputy) Imperial Entomologist under Harold Maxwell-Lefroy and from 1912 as Imperial Pathological Entomologist for the Government of India. In 1910 he was in England and Harold Maxwell-Lefroy deputed him to attend the first International Entomological Congress in Brussels, where he presented on the state of economic entomology in India and also on issues in preserving specimens in India.[7] He left India during the First World War and worked with the Royal Army Medical College, while also attending various meetings of learned societies,[8] and returned to India only in 1917. In 1919 he presided over the zoological section of the 6th Indian Science Congress at Bombay, giving a talk on "tactics against insects." One of his most important findings was in noting the attraction of tephritid flies to methyl eugenol, a component that he identified from several others present in citronella oil.[9][10] He also noted how fleas disliked wet grass and noted a decline in plague during the onset of the rains and suggested that this might be a reason for the plague being rare in Bengal. He published a technique to trap thrips with attractant mixtures of Benzaldehyde, Cinnamaldehyde and Anisaldehyde.[11] Howlett also discovered that he could induce Stomoxys calcitrans to oviposit on cotton impregnated with valerianic acid, which is a component of fermenting vegetable matter.[12] He also noted the life history of mosquito larvae (Stegomyia, now Anopheles) that could survive in dry soil. He also studied the biology of sandflies.[13] Howlett was also known for his humorous sketches at Pusa. He later moved to the Agricultural Research Institute at Pune. Howlett was an athlete and an artist who illustrated his own works. His health was poor during his service in India and he died a premature death from complications following a surgical procedure at Mussoorie. At the time of his death he was working on a book titled The Control of Harmful Insects. An obituarist in the Agricultural Journal of India noted that he was:[14][15][16][17]

... a man of almost childlike simplicity and originality of outlook, and with many interests. ... He had the faults as well as the merits of the artistic temperament. ... He was a born schoolmaster, delighted in teaching, and could make all subjects interesting, and had the gift of implanting in his disciples some of his own enthusiasm. He was a combative apostle of pure research, and his disappearance from the ranks of scientists of this order will be a serious blow to the cause.

Howlett assisted Harold Maxwell-Lefroy in writing and illustrating the book Indian Insect Life. He wrote the sections on the flies and trained staff at Pusa in technical illustration.[18] A species of tick, Haemaphysalis howletti, was described by Warburton in 1913 from a pony in Pakistan and in 1962 was found on rodents and birds in Pune, Maharashtra.[19] Howlett developed techniques for collecting and preserving insects[20] and for marking insects (houseflies) to study dispersal.[21] Brunetti, named a fly after Howlett as Howlettia (now considered a synonym of Platypalpus Macquart, 1827 of family Hybotidae[22]).[23]

Publications

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Apart from the publications cited, Howlett's works include:

  • Howlett, F. M. (1909). "Indian sandflies". Trans. Bombay Med. Congr. 3: 239–242.
  • Howlett, F. M. (1910). "The influence of temperature upon the biting of mosquitoes". Parasitology. 3 (4): 479–484. doi:10.1017/S0031182000002304.
  • Howlett, F. M. (1910). "On the Collection and Preservation of Insects". Parasitology. 3 (4): 485–489. doi:10.1017/S0031182000002316. ISSN 0031-1820.
  • Copeman, S. M.; Howlett, F. M.; Merriman, G. (1911). An experimental Investigation on the Range of Flight of Flies. Reports to the Local Government Board on Public Health and Medical Subjects. pp. 1–10.
  • Howlett, F. M. (1912). Report of the Imperial Pathological Entomologist.
  • Howlett, F. M. (1914). Report of the Imperial Pathological Entomologist.
  • Rieley, S. D.; Howlett, F.M. (1914). "Observations on Myiasis in Bihar". The Indian Medical Gazette. 49 (1): 8–10. PMC 5181144. PMID 29006192.
  • Howlett, F. M. (1915). "A preliminary note on the identification of sandflies". Bulletin of Entomological Research. 6 (3): 293–296. doi:10.1017/S000748530004356X. ISSN 0007-4853. S2CID 85684920.
  • Howlett, F. M. (1917). "Notes on head-and body-lice and upon temperature reactions of lice and mosquitoes". Parasitology. 10 (1): 186–188. doi:10.1017/S0031182000003759.

References

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  1. ^ "Births, Marriages & Deaths". The Pioneer Mail. 3 September 1920. p. 45.
  2. ^ Howlett, F. M. (1915). "A preliminary note on the identification of sandflies". Bulletin of Entomological Research. 6 (3): 293–296. doi:10.1017/S000748530004356X. S2CID 85684920.
  3. ^ Hewitt, C. Gordon (1916). "A review of applied entomology in the British Empire" (PDF). Annals of the Entomological Society of America. 9 (1): 1–33. doi:10.1093/aesa/9.1.1.
  4. ^ Biographical List of Boys Educated at King Edward VI. Free Grammar School, Bury St. Edmunds, from 1550 to 1900. Bury St. Edmunds: Paul & Mathew. 1908. p. 200.
  5. ^ Venn, J.A. (1947). Alumni Cantabrigienses. Part II From 1752-1900. Cambridge: Cambridge University Press. p. 466.
  6. ^ "A list of official chemical appointments held in Great Britain and Ireland, in India and the colonies". Proceedings of the Institute of Chemistry of Great Britain and Ireland. 30: F001. 1906. doi:10.1039/pg906300f001.
  7. ^ Maxwell-Lefroy, H.; Howlett, F.M. (1911). 1er Congres International D'Entomologie. Volume II. Memoires. Vol. 2. Brussels: Imprimeur des Académies Royales. pp. 465–482.
  8. ^ Shipley, Arthur Everett (1915). "Insects and war". Journal of the Royal Society of Arts. 64 (3289): 42–52. ISSN 0035-9114.
  9. ^ Howlett, F. M. (1915). "Chemical reactions of fruit-flies". Bulletin of Entomological Research. 6 (3): 297–305. doi:10.1017/S0007485300043571. S2CID 85769537.
  10. ^ Howlett, F.M. (1912). "The effect of oil of citronella on two species of Dacus". Transactions of the Entomological Society of London. 1912: 412–418.
  11. ^ Howlett, F. M. (1914). "A trap for thrips" (PDF). Journal of Economic Biology. 9 (1): 21–23.
  12. ^ Austen, E. E.; Hegh, E. (1922). Tsetse-flies; their characteristics, distribution and bionomics, with some account of possible methods for their control. London: Imperial Bureau of Entomology. p. 110.
  13. ^ Howlett, F. M. (1913). "The Natural Host of Phlebotomus minutus". Indian Journal of Medical Research. 1 (1): 34–38.
  14. ^ "[Obituaries]". Nature. 106 (2666): 446. 1920. Bibcode:1920Natur.106R.446.. doi:10.1038/106446g0.
  15. ^ Husain, Mohamad Afzal (1938). "Entomology in India, past, present and future" (PDF). Current Science. 6 (8): 422–424.
  16. ^ Verghese, Abraham; Shivananda, T. N.; Jayanthi, P.D.K.; Sreedevi, K. (2013). "Frank Milburn Howlett (1877–1920): discoverer of the Pied Piper's lure for the fruit flies (Tephritidae: Diptera)" (PDF). Current Science. 105 (2): 260–262.
  17. ^ "The late Francis Milburn Howlett, BA, FES". The Agricultural Journal of India. 15 (6): 589–591. 1920.
  18. ^ Prospectus of the Agricultural Research Institute and College, Pusa. Calcutta: Government of India. 1909. p. 12.
  19. ^ Dhanda, Vijai (1964). "Description of Immature Stages of Haemaphysalis howletti (Ixodoidea: Ixodidae) and Redescription of Adults". The Journal of Parasitology. 50 (3): 459–465. doi:10.2307/3275856. JSTOR 3275856. PMID 14169544.
  20. ^ Howlett, F.M. (1910). "On the collection and preservation of insects". Parasitology. 3 (4): 485–489. doi:10.1017/S0031182000002316.
  21. ^ Copeman, S.M.; Howlett, F.M.; Merriman, G. (1911). An experimental investigation on the range of flight of flies. Report to the Local Government Board on Public Health. new series 53. pp. 1–9.
  22. ^ Barták, Miroslav; Kubík, Štěpán (2015). "Three new species of European Platypalpus (Diptera, Hybotidae)". ZooKeys (470): 145–155. doi:10.3897/zookeys.470.8967. PMC 4304037. PMID 25632244.
  23. ^ Brunetti, E. (February 1913). "New Indian Empidae". Records of the Indian Museum. 9: 11–45.
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