The leaf and stem  mines of British flies and other insects by Brian Pitkin, Willem Ellis, Colin Plant and Rob Edmunds


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Chromatomyia horticola (Goureau, 1851)
[Diptera: Agromyzidae]

Pea leaf-miner


Phytomyza horticola Goureau, 1851. Annls. Soc. ent. Fr. (2) 9: 148.
Phytomyza horticola Goureau, 1851; Griffiths, 1967b. Stuttgarter Beitr. Ent. 177: 11.
Phytomyza horticola Goureau, 1851; Spencer, 1972b. Handbk ident. Br. Ins. 10(5g): 87.
Phytomyza horticola Goureau, 1851; Spencer, 1976. Fauna ent. Scand. 5(1): 431-33, figs 751-5.
Chromatomyia horticola (Goureau, 1851); Spencer, 1990. Host specialization in the World Agromyzidae (Diptera) : 265, 266 (fig. 1005), & more.


Leaf-mine: Mine linear, whitish, both upper and lower surface. Pupation internal, at the end of the mine with the anterior spiracles projecting through the epidermis (Spencer, 1976: 433). The mine is illustrated in British leafminers and Nederlandse bladmineerders.

Mine of Chromatomyia horticola on Papaver rhoeas. Image: Willem Ellis  (Source: Nederlandse bladmineerders)
Mine of Chromatomyia horticola on Papaver rhoeas.
Image: Willem Ellis (Source: Nederlandse bladmineerders)

Larva: The larvae is described by Dempewolf (2001: 202).

Puparium: Whitish (Spencer, 1976: 433). The puparium is illustrated by Ellis (Nederlandse bladmineerders).

Comments: Two highly polyphagous species of Chromatomyia, with indistinguishable mines, have been recorded on Asteraceae in Britain. These are syngenesiae (Hardy), which is almost entirely restricted to Asteraceae and horticola (Goureau), which mines numerous plant families including Asteraceae. The two species can only be distinguished by the structure of the male genitalia.

British records of syngenesiae, horticola or 'atricornis' on hosts other than Asteraceae in Britain, except when the male genitalia have been examined (i.e. Dahlia), are assumed here to represent horticola.

British records of horticola and syngenesiae on Asteraceae hosts not based on examination of the genitalia of reared males are treated here as Chromatomyia 'atricornis'.

Hosts cited here include 78 plant genera in 17 families of which 41 plant genera in 17 famailies are records for Britain.

As the mines of horticola and syngenesiae are indistinguishable, the chalcidoid parasitoids recorded from these two species are listed under 'atricornis'.

Hosts in Britain:

Apiaceae      
Pastinaca   Robbins, 1991: 66
Asteraceae      
Dahlia     Griffiths, 1967b
Dahlia     Spencer, 1972b: 113
Dahlia pinnata Dahlia Pitkin, in Pitkin & Plant, 2005
Brassicaceae      
Alliaria petiolata Garlic Mustard Pitkin, in Pitkin & Plant, 2005
Armoracia     Robbins, 1991: 30
Armoracia rusticana Horse-Radish Pitkin, in Pitkin & Plant, 2005
Brassica     Robbins, 1991: 30
Brassica nigra Black Mustard Spencer, 1972b: 115
Brassica nigra Black Mustard Mines in BMNH (as atricornis)
Capsella     Robbins, 1991: 30
Capsella bursa-pastoris Shepherd's-purse Mines in BMNH (as atricornis)
Capsella bursa-pastoris Shepherd's-purse Spencer, 1972b: 115
Cardaria draba   Pitkin, in Pitkin & Plant, 2005
Cheiranthus     Robbins, 1991: 30
Cheiranthus cheiri   Pitkin, in Pitkin & Plant, 2005
Coincya wrightii Lundy Cabbage Compton & Key, 2000
Conringia     Robbins, 1983-7
Conringia orientalis Garlic Mustard Pitkin, in Pitkin & Plant, 2005
Hesperis matronalis Dame's-violet Mines in BMNH (as atricornis)
Hesperis matronalis Dame's-violet Spencer, 1972b: 115
Lepidium     Mines in BMNH (as atricornis)
Sinapis     Robbins, 1991: 30
Sisymbrium     Robbins, 1991: 30
Sisymbrium assoanum   Spencer, 1972b: 116
Sisymbrium officinale Hedge Mustard Pitkin, in Pitkin & Plant, 2005
Thlaspi     Robbins, 1991: 30
Campanulaceae      
Jasione montana Sheep's-bit Pitkin, in Pitkin & Plant, 2005
Cannabaceae      
Cannabis sativa Hemp Mines in BMNH
Chenopodiaceae      
Chenopodium     Robbins, 1991: 36
Cucurbitaceae      
Bryonia   Robbins, 1991: 68 (as syngenesiae)
Bryonia dioica White Bryony Pitkin, in Pitkin & Plant, 2005
Cucurbita maxima Pumpkin Pitkin, in Pitkin & Plant, 2005
Cucurbita pepo Marrow Pitkin, in Pitkin & Plant, 2005
Cucumis sativus Cucumber Pitkin, in Pitkin & Plant, 2005
Fabaceae      
Lathyrus     Robbins, 1983: 22
Lupinus     Mines in BMNH
Lupinus     Robbins, 1991: 41
Lupinus polyphyllus Garden Lupin Mines in BMNH (as atricornis)
Medicago     Robbins, 1991: 44
Melilotus     Pitkin, in Pitkin & Plant, 2005
Melilotus officinalis Ribbed Melilot Mines in BMNH (as atricornis)
Phaseolus   Pitkin, in Pitkin & Plant, 2005
Pisum     Robbins, 1983: 22
Pisum     Spencer, 1972b: 84
Pisum     Spencer, 1973a
Pisum sativum Garden Pea Griffiths, 1967b
Pisum sativum Garden Pea Mines in BMNH
Pisum sativum Garden Pea Spencer, 1972b: 117
Pisum sativum Garden Pea Mines in BMNH (as atricornis)
Vicia sepium Bush Vetch Griffiths, 1967b
Vicia sepium Bush Vetch Spencer, 1972b: 118
Vicia tetrasperma Smooth Tare Pitkin, in Pitkin & Plant, 2005
Lamiaceae      
Galeopsis     Robbins, 1991: 103 (as syngenesiae)
Galeopsis     Spencer, 1972b: 84
Galeopsis     Mines in BMNH (as atricornis)
Galeopsis tetrahit Common Hemp-nettle Spencer, 1972b: 116
Mentha     Pitkin, in Pitkin & Plant, 2005
Mentha spicata Spear Mint Mines in BMNH (as atricornis)
Ocimum basilicum Sweet Basil Mines in BMNH
Liliaceae  
Allium sativum Garlic Pitkin, in Pitkin & Plant, 2005
Linaceae      
Linum     Robbins, 1991: 38
Malvaceae      
Althaea     Robbins, 1983: 22
Lavatera arborea Tree-mallow Spencer, 1972b: 117
Lavatera arborea Tree-mallow Mines in BMNH
Malva     Mines in BMNH (as atricornis)
Malva     Robbins, 1991: 37
Malva sylvestris Common Mallow Spencer, 1972b: 117
Papaveraceae      
Chelidonium     Robbins, 1991: 28
Meconopsis     Robbins, 1991: 28
Meconopsis cambrica Welsh Poppy Pitkin, in Pitkin & Plant, 2005
Papaver sp.   Spencer, 1972b: 117
Papaver     Robbins, 1991: 28
Papaver rhoeas Common Poppy Mines in BMNH (as atricornis)
Papaver somniferum Opium Poppy Mines in BMNH (as atricornis)
Plantaginaceae      
Plantago     Robbins, 1991: 104
Plantago maritima Sea Plantain Pitkin, in Pitkin & Plant, 2005
Resedaceae      
Reseda     Robbins, 1991: 31
Reseda luteola Weld Mines in BMNH (as atricornis)
Scrophulariaceae      
Antirrhinum     Pitkin, in Pitkin & Plant, 2005
Antirrhinum     Robbins, 1991: 99
Cymbalaria   Pitkin, in Pitkin & Plant, 2005
Kickxia     Robbins, 1991: 99
Linaria     Robbins, 1991: 99
Linaria purpurea Purple Toadflax Pitkin, in Pitkin & Plant, 2005
Linaria vulgaris Common Toadflax Mines in BMNH (as atricornis)
Misopates   Pitkin, in Pitkin & Plant, 2005
Solanaceae      
Atropa   Pitkin, in Pitkin & Plant, 2005
Lycopersicon esculentum Tomato Pitkin, in Pitkin & Plant, 2005
Nicotiana   Pitkin, in Pitkin & Plant, 2005
Nicotiana tabacum Tobacco Spencer, 1973a
Tropaeolum     Mines in BMNH (as atricornis)
Tropaeolum     Robbins, 1991: 31
Tropaeolum majus Nasturtium Spencer, 1972b: 120
Valerianaceae      
Centranthus     Robbins, 1991: 107
Valeriana     Mines in BMNH (as atricornis)

Hosts elsewhere:

Anacardiaceae      
Ruta     Nederlandse bladmineerders
Asteraceae      
Ageratum     Spencer, 1990: 289
Andryala     Spencer, 1990: 256
Artemisia     Spencer, 1990: 301
Bidens     Spencer, 1990: 320
Carduus     Spencer, 1990: 251
Carthamus     Spencer, 1990: 249
Centaurea     Spencer, 1990: 251
Chrysanthemum     Spencer, 1990: 301
Cineraria     Spencer, 1990: 293
Cirsium     Spencer, 1990: 251
Cissampelopsis     Spencer, 1990: 293
Coreopsis     Spencer, 1990: 320
Cosmos     Spencer, 1990: 316
Cotula     Spencer, 1990: 301
Dahlia     Spencer, 1990: 309
Gaillardia     Spencer, 1990: 309
Galinsoga     Spencer, 1990: 316
Gazania     Spencer, 1990: 249
Gnaphalium     Spencer, 1990: 273
Gynura     Spencer, 1990: 293
Helianthus     Spencer, 1990: 316
Helichrysum     Spencer, 1990: 273
Inula     Spencer, 1990: 273
Lactuca     Spencer, 1990: 259
Launaea     Spencer, 1990: 259
Matricaria     Spencer, 1990: 301
Senecio     Spencer, 1990: 293
Sonchus     Spencer, 1990: 259
Tanacetum     Spencer, 1990: 301
Taraxacum     Spencer, 1990: 259
Brassicaceae      
Sisymbrium     Mines in BMNH
Cannabaceae      
Cannabis     Hering, 1957a (as atricornis)
Cannabis     Spencer, 1990: 53
Humulus     Hering, 1957a (as atricornis)
Humulus     Spencer, 1990: 53
Chenopodiaceae      
Atriplex   Nederlandse bladmineerders
Fabaceae      
Vicia narbonensis Narbonne Vetch Mines in BMNH
Malvaceae      
Alcea rosea Hollyhock Mines in BMNH (as atricornis)
Althaea     Hering, 1957a (as atricornis)
Althaea     Spencer, 1990: 92
Anoda     Spencer, 1990: 92
Hibiscus     Hering, 1957a (as atricornis)
Hibiscus     Spencer, 1990: 92
Kitaibela     Hering, 1957a (as atricornis)
Kitaibela     Spencer, 1990: 92
Lavatera triloba   Mines in BMNH (as atricornis)
Malva     Hering, 1957a (as atricornis)
Malva borealis   Mines in BMNH (as atricornis)
Malva neglecta Dwarf Mallow Griffiths, 1967b
Palava     Hering 1957 (as atricornis)
Palava     Spencer, 1990: 92
Papaveraceae      
Glaucium     Hering, 1957a (as atricornis)
Glaucium     Spencer, 1990: 22
Papaver     Hering, 1957a (as atricornis)
Papaver     Mines in BMNH (as atricornis)
Papaver somniferum Opium Poppy Griffiths, 1967b
Plantaginaceae      
Plantago     Hering, 1957a (as atricornis)
Plantago lanceolata Ribwort Plantain Griffiths, 1967b
Resedaceae      
Reseda     Hering, 1957a (as atricornis)
Reseda     Spencer, 1990: 86
Scrophulariaceae      
Linaria vulgaris Common Toadflax Mines in BMNH (as atricornis)
Scrophularia   Nederlandse bladmineerders
Solanaceae      
Tropaeolum     Hering, 1957a (as atricornis)
Tropaeolum     Mines in BMNH (as atricornis)
Tropaeolum majus Nasturtium Griffiths, 1967b
Tropaeolum majus Nasturtium Mines in BMNH (as atricornis)
Valerianaceae      
Centranthus     Hering, 1957a (as atricornis)
Valeriana     Hering, 1957a (as atricornis)
Valeriana officinalis Common Valerian Griffiths, 1967b
Valeriana sambucifolia   Griffiths, 1967b
Valerianella     Hering, 1957a (as atricornis)

Time of year - mines: Unknown.

Time of year - adults: Unknown.

Distribution in Britain: Widespread in southern Britain (Spencer, 1972b: 87) including Warwick (Holbrooks) (Robbins, 1991: 144) and North Somerset and Surrey (NBN Gateway distribution map - NE).

Also recorded in the Republic of Ireland (Martinez in Fauna Europaea).

Distribution elsewhere: Old World. Common throughout Europe including the Mediterranean area (Spencer, 1976: 432), The Netherlands, Luxembourg (Nederlandse bladmineerders), Belgium (de Bruyn & von Tschirnhaus, 1991), Germany (Dempewolf, 2001: 202), ? Albania, Austria, Azores, Canary Is., Corsica, Czech Republic, Denmark, European Turkey, Finland, French mainland, Greek mainland, Hungary, Italian mainland, Lithuania, Madeira, Malta, Norwegian mainland, Poland, Republic of Moldova, Romania, Sardinia, Sicily, Slovakia, Spanish mainland, Sweden, Switzerland and Yugoslavia (Martinez in Fauna Europaea).

Also recorded in Africa, India, China and Japan, but not known from North or South America (Spencer, 1976: 432).

Parasitoids: See C. 'atricornis'.

Adults:

Wing of Chromatomyia horticola


External links: Search the internet:

British leafminers
NBN Gateway
Nederlandse bladmineerders
Fauna Europaea [128298]

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Last updated 16-Aug-2008  Brian Pitkin