David K J

David K J
National Bureau of Agricultural Insect Resources | NBAII · Insect Systematics

PhD (Agrl. Entomology)

About

38
Publications
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174
Citations
Introduction
I am presently working on taxonomy of fruit flies (Diptera: Tephritidae) in India.

Publications

Publications (38)
Article
Full-text available
Two new species of Platensina Enderlein, P. rabbanii David & Hancock, sp. nov. , and P. flavistigma David & Hancock, sp. nov. , are described from Meghalaya and southern India, respectively. Platensina rabbanii can be differentiated from P. alboapicalis Hering by the presence of a single hyaline indentation in cell r 1 and the apical hyaline band i...
Article
Full-text available
Mating behaviour involving a nuptial gift in the tree-trunk breeding fruit fly Diarrhegma modestum in India is newly recorded. Published in the journal Indian Entomologist 3(1): 27-28.
Article
Rhabdochaeta nigroapicalis David, Hancock and Sachin, sp. n., is described from Assam, NE India. A key to all species of Schistopterini and Eutretini recorded from India is provided and taxonomic notes on previously described species are included. DNA barcode sequences of Calloptera asteria (Schiner), Rhabdochaeta pulchella de Meijere, Rhabdochaeta...
Article
A new species of Euphranta, E. flavothoracica David, Hancock & Sachin, sp. n. is described from India and placed in the zeylanica group of species. Postabdominal structures of E. cassiae (Munro), E. crux (Fabricius) and E. klugii (Wiedemann) are described. A revised key to the 16 species of Euphranta known from India is provided. A new generic and...
Article
Asobara jenningsi Gupta sp. nov., a new parasitoid of the braconid genus, is described and illustrated from Karnataka, India. The new species is compared with all the possible closely allied species from the Oriental region.
Article
A new species of Elaphromyia, E. juncta David, Hancock & Sachin, sp. n. is described from India. It can be differentiated from the morphologically similar E. siva Frey and E. pterocallaeformis (Bezzi) by the wing pattern, epandrial characters, morphology of spicules on the eversible membrane and spermathecal shape. Elaphromyia siva Frey and E. yunn...
Article
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An analysis of the published records of H. halys in India revealed that these were misidentifications. Based on the available scientific evidences, we would like to ascertain that H. halys is not present in India.
Article
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Gibbifronta pavoniae David, Hancock and Han, gen. et sp. nov., is described from India. The current status of the subtribe Acidoxanthina is scrutinized based on both morphological characters and DNA barcoding analysis, and this taxon is formally proposed as the tribe Acidoxanthini within the subfamily Trypetinae in order to accommodate the genera G...
Article
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Phyllanthus acidus (L.) Skeels, is one of the minor and underutilized fruit crops, was found infested by the scutellerid bugs, Scutellera perplexa (Westw.) and Chrysocoris stockerus (Linn.). Of these, Chrysocoris stockerus is recorded for the first time feeding on this crop. Both the species were morphologically characterized along with the descrip...
Article
Housefly, Musca domestica L. is a pest of public health importance and is responsible for spreading diseases like typhoid, diarrhoea, plague etc. Indiscriminate reliance on synthetic insecticides has led to development of insecticide resistance and ill effect to humans and nontarget animals. This demands an alternative and safer pest control option...
Article
A new species of Hemilea Loew, H. totu David, Hancock & Sachin, sp. n., is described from India. Paratrypeta appendiculata (Hendel) and Vidalia thailandica Hancock & Drew are recorded for the first time from India and a key to species of Hemilea from India and Myanmar is provided.
Article
A new species of Euphranta Loew, E. siruvani David, Hancock & Sankararaman, sp. n. is described from India. Postabdominal structures of E. hyalipennis David & Freidberg and E. haldwanica Hancock & Goodger are illustrated and described. A revised key to Euphranta from India is also provided.
Article
Full-text available
Citation: David KJ, Hancock DL, Salini S, Gracy RG, Sachin K (2020) Taxonomic notes on the genus Campiglossa Rondani (Diptera, Tephritidae, Tephritinae, Tephritini) in India, with description of three new species. ZooKeys 977: 75-100. https://doi. Abstract: Three new species of Campiglossa Rondani are described from India: adults of both sexes and...
Article
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Two new species of the genus Dacus Fabricius, namely D.(Mellesis) jacobi David & Sachin and D. (Mellesis) viraktamathi David & Hancock are described from India and D. (Mellesis) maculipterus White is newly recorded. A key to species of Dacus recorded from India is included.
Article
Full-text available
A new species of Acrotaeniostola Hendel, A. connexa sp. n. of tribe Gastrozonini, is described from India. Acroceratitis incompleta Hardy of tribe Gastrozonini and Ceratitella sobrina (Zia) of tribe Ceratitidini have been recorded for the first time from India. The genus Ceratitella Malloch and tribe Ceratitidini are recorded for the first time fro...
Article
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The aim of the present study was to explore the seasonal activity of tabanids in the Western Ghats of Karnataka. The study was carried out during all the seasons of the flight period March, 2019 to February 2020. A total of 912 specimens of tabanids were collected and identified belong to 5 different genera grouped into 20 species. The horse flies...
Article
The tribe Dacini comprising four genera, namely Bactrocera Macquart, Dacus Fabricius, Monacrostichus Bezzi and Zeugodacus Hendel, is a derived lineage in Tephritidae. It is one of the most economically important tribes in Tephritidae harbouring several species of quarantine concern across the world. We describe two new species of Bactrocera Macquar...
Article
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Two new species of Coelotrypes Bezzi, C. meremmiae sp. n. and C. paralatilimbatus sp. n. are described from India. Post-abdominal structures and the third instar larva of C. luteifasciatus (Senior-White) are also illustrated and described. A key to Oriental species of Coelotrypes is provided.
Article
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Two new species of genus Bactrocera Macquart, namely B. (Sinodacus) brevipunctata David and Hancock, sp. nov. and B. (Bactrocera) furcata David and Hancock, sp. nov., are described from India. B. (B.) aethriobasis Hardy, B. (B.) rubigina Wang & Zhao, B. (B.) syzygii Tsuruta & White and B. (B.) tuberculata (Bezzi) are recorded for the first time fro...
Article
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Gastrozona nigrifemur sp. nov., is described from India. Postabdominal structures of G. fasciventris (both male and female), G. soror (female) and G. montana (male) are described and illustrated. An updated key to Indian species of Gastrozona is provided.
Article
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Two new species of Bactrocera Macquart, namely Bactrocera (Calodacus) harrietensis Ramani & David, sp. nov. and Bactrocera (Calodacus) chettalli David & Ranganath, sp. nov., are described from the Andaman and Nicobar Islands and Karnataka, India, respectively. Bactrocera (Zeugodacus) semongokensis Drew & Romig is recorded for the first time from In...
Chapter
Mealybugs are destructive to citrus causing severe losses throughout the world. In the recent past, there is an upward trend in the build-up of mealybugs adversely affecting the growth of different citrus cultivars of all ages from young seedlings to grown-up trees across India, which occasionally attain epidemic forms. Among different mealybug spe...
Article
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The purpose of this application, under Article 23.9.3, is to conserve current usage of the well-established genus-group name Cryptodacus Hendel, 1914 for a genus of Neotropical fruit flies by suppression of the earlier, unused name Cryptodacus Gundlach, 1862, currently a junior synonym of Arrhyton Günther, 1858, a genus of snakes, under the plenary...
Data
A new species of the subfamily Trypetinae, Magnimyiolia perennifascia Singh & David, sp. nov. (Trypetini) is described from India. Two species of subfamily Phytalmiinae, Ectopomyia baculigera Hardy and Ptilona conformis Zia (Acanthonevrini) are recorded for the first time from India. An updated key to Oriental species of Magnimyiolia Shiraki is pro...
Article
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Two new species of genus Euphranta Loew, namely E. wrightiae sp. nov. and E. pseudocassiae sp. nov. are described from India. An updated key to Indian species of Euphranta is also provided.
Article
Abstract Two new species of genus Acroceratitis Hendel, namely A. parastriata David & Hancock , sp. nov. and A. breviscapaDavid, Ramani & Hancock, sp. nov., are described from India. A. histrionica (de Meijere) is recorded for the first timefrom India. An updated key to Indian species of Acroceratitis is also provided. Key words: Tephritidae, Gast...
Article
Full-text available
Two new species of genus Acroceratitis Hendel, namely A. parastriata David & Hancock , sp. nov. and A. breviscapa David, Ramani & Hancock, sp. nov., are described from India. A. histrionica (de Meijere) is recorded for the first time from India. An updated key to Indian species of Acroceratitis is also provided.
Article
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Two new species of the subfamily Trypetinae, Acidoxantha galibeedu David & Ramani, sp. nov. (tribe Nitrariomyiini) and Philophylla lachung Singh & David, sp. nov. (tribe Trypetini) are described from India. Acidoxantha totoflava is doc-umented as new record from India. Keys to the species of known Acidoxantha Hendel and Indian Philophylla Rondani a...
Article
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Ortalotrypeta isshikii (Matsumura) and subfamily Tachniscinae are recorded for the first time from India and the species redescribed.
Article
Seven new species of Euphranta Loew are described, viz., Euphranta dysoxyli David, sp. nov., E. hyalipennis David & Freidberg, sp. nov, E. diffusa David, sp. nov., E. haldwanica Hancock & Goodger, sp. nov. and E. thandikudi David, sp. nov. from India; E. neochrysopila David, Freidberg, Hancock & Goodger, sp. nov. from Sri Lanka and E. ridleyi Hanco...
Article
Full-text available
An illustrated key and a checklist are provided for 126 species of fruit flies under 46 genera in four subfamilies namely Dacinae, Phytalmiinae, Tephritinae and Trypetinae. Among these, Acroceratitis striata (Froggatt), Rhochmopterum venustum (de Meijere) and Themara yunnana Zia are new records for India. Bactrocera yercaudiae Drew is placed as a s...
Article
Full-text available
Fruit flies (Tephritidae) are one among the major threat to Horticulture Industry. Among the several species, most pestiferous ones come under the genus Bactrocera Macquart, of which the majority are attracted to the lures. An attempt was made to understand the spatial distribution of the economically important fruit flies in Kerala using Global Po...

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Projects

Projects (3)
Project
1. To characterise species of subfamily Tephritinae using morphological and molecular characters 2. To study the immature stages and host plant association of Tephritinae 3. To analyse the phylogenetic relationships between various taxa of Tephrtinae based on morphological, molecular and host plant attributes.