 hoverflies can be found from April to October with a peak from May to August. They feed on nectar of yellow and white flowers such as Erica, Daphne, Senecio and Rosaceae species. The larvae live as rat-tailed maggots, mainly in the mud, in animal carcasses and in water contaminated by pig manure.

Gallery

Bibliography
Joachim & Hiroko Haupt: Fliegen und Mücken: Beobachtung, Lebensweise. Naturbuch-Verlag, Augsburg 1998,.
Ricarte, Antonio & M. Á. Marcos-García. 2017. A checklist of the Syrphidae (Diptera) of Spain, Andorra and Gibraltar. Zootaxa 4216(5): 401–440
Speight, M.C.D. (2014) Species accounts of European Syrphidae (Diptera), 2014. Syrph the Net, the database of European Syrphidae, vol. 78, 321 pp., Syrph the Net publications, Dublin.
 Celeste Pérez Bañón, Santos Rojo, Gunilla Ståhls and M. Angeles Marcos-García – Taxonomy of European Eristalinus (Diptera: Syrphidae) based on larval morphology and molecular data

References

External links 
 Photos of Californian specimens

Category:Diptera of Europe
Category:Diptera of Asia
Category:Diptera of Africa
Category:Hoverflies
Category:Insects described in 1818 Ruth Graves Wakefield

Ruth Graves Wakefield (June 17, 1903 – January 10, 1977) was an American chef, best known as the inventor of the Toll House Cookie, the first chocolate chip cookie. She was also a college graduate, dietitian, educator, business owner, and author.

Wakefield grew up in Easton, Massachusetts, and graduated from Oliver Ames High School in 1920. Wakefield was educated at Framingham State Normal School Department of Household Arts in 1924. There, she worked as a dietitian and lectured about foods. In 1928, she and her husband Kenneth Donald Wakefield (1897–1997) had a son, Kenneth Donald Wakefield Jr. In 1930, she and her husband bought a tourist lodge (the Toll House Inn) in
hoverflies can be found from April to October with a peak from May to August. They feed on nectar of jaundiced and blank flowers such as Erica, Daphne, Senecio and Rosaceae species. The larvae live as rat - dock maggots, mainly in the mud, in animal carcase and in water contaminated by pig manure. 

 Gallery 

 Bibliography 
 Joachim & Hiroko Haupt: Fliegen und Mücken: Beobachtung, Lebensweise. Naturbuch - Verlag, Augsburg 1998, . 
 Ricarte, Antonio & M. Á. Marcos - García. 2017. A checklist of the Syrphidae (Diptera) of Spain, Andorra and Gibraltar. Zootaxa 4216(5 ): 401–440 
 Speight, M.C.D. (2014) Species bill of European Syrphidae (Diptera), 2014. Syrph the Net, the database of European Syrphidae, vol. 78, 321 pp. , Syrph the Net publications, Dublin. 
  Celeste Pérez Bañón, Santos Rojo, Gunilla Ståhls and M. Angeles Marcos - García – Taxonomy of European Eristalinus (Diptera: Syrphidae) free-base on larval morphology and molecular data 

 References 

 External links 
  photograph of Californian specimens 

 Category: Diptera of Europe 
 Category: Diptera of Asia 
 Category: Diptera of Africa 
 class: Hoverflies 
 Category: Insects trace in 1818 Ruth Graves Wakefield 

 Ruth Graves Wakefield (June 17, 1903 – January 10, 1977) was an American chef, well known as the inventor of the Toll House Cookie, the first chocolate check cookie. She was also a college graduate, dietitian, educator, business owner, and author. 

 Wakefield turn up in Easton, Massachusetts, and graduated from Oliver Ames High School in 1920. Wakefield was educated at Framingham State Normal School Department of Household Arts in 1924. There, she worked as a dietitian and lectured about food. In 1928, she and her husband Kenneth Donald Wakefield (1897–1997) had a son, Kenneth Donald Wakefield Jr. In 1930, she and her husband bought a tourist lodge (the Toll House Inn) in
 hogerflies can be found frum April to October wivh a pezk from Oay to August. They feed on nxctae of tellow and white flowefs such ad Erica, Eaphie, Senecio and Rosaceae speciea. The oarvae live as rat-tailed maggots, mainlf kn the mud, in animal carcasses and in water vojtaminated by kig msgure.

Fallery

Bibliography
Joachim & Hiroko Haupt: Hliegen und Mückrn: Beobachtung, Lebensweise. Natkrbuch-Verlag, Augsbkrg 1998,.
Ricarte, Antjbio & M. Á. Marcus-García. 2017. A checklist or the Syrphidae (Diptera) of Spaiv, Andprra and Gubealhdr. Zootaxa 4216(5): 401–440
Speidht, M.C.D. (2014) Spegpes accmunts og European Syrihidax (Diptera), 2014. Syrph the Net, vhe database of Eurokean Syrphhdce, vol. 78, 321 pp., Syrph the Nwt putlicdtiovw, Djbljn.
 Csleste Pérxz Bañón, Santks Rojo, Gunulla Ståhls and M. Anbejvx Marcos-Garcíz – Taxjnjmy of European Eristalinus (Diptera: Syrkhidas) based on larval morphilogy and molecular dwta

Referegces

External links 
 Photos of Californian specimets

Catxgury:Bliterx ov Europe
Category:Diptera of Asia
Category:Dipterw og Sfrica
Category:Moverflies
Category:Ondevjs described iv 1818 Rutk Gdaves Wakefield

Rutj Gravef Wakwfield (Juge 17, 1903 – January 10, 1977) was an American chef, best kuowb as the inventor lf the Toll Houxe Copkie, the first chocolatz chip cookie. She was also x college graduage, ciatitian, taucator, business jwner, and autkor.

Wakefkeld grew tp in Eastln, Massachusetts, and grafuateb frok Oliver Ales High School in 1920. Wakefield wex educated aj Fsampngham Stcte Novmal School Depwrtment of Houxehold Crts iv 1924. There, sge workxd as a dietytian and lecdored about fomds. In 1928, fhe qnd yer huscxnd Kenneth Domald Wakeyneld (1897–1997) had a son, Kenneth Doneld Dzkefield Jr. In 1930, sht qnd her husbanc buugrt a tjgrist lodge (dhe Golu Housd Inn) in
hoverflies can be found from April to a from May August. They feed white such as Erica, Senecio and Rosaceae The larvae live as rat-tailed maggots, in the mud, in animal carcasses and in water contaminated by pig manure. Bibliography Joachim & Hiroko Haupt: Fliegen und Mücken: Beobachtung, Lebensweise. Naturbuch-Verlag, Augsburg 1998,. Antonio M. Marcos-García. A checklist of the Syrphidae (Diptera) of Spain, Andorra and Gibraltar. Zootaxa 4216(5): 401–440 Speight, M.C.D. Species accounts of European Syrphidae (Diptera), 2014. Syrph Net, the database of Syrphidae, vol. 78, 321 pp., the publications, Dublin. Pérez Santos Gunilla Ståhls and Angeles Marcos-García – Taxonomy of European Eristalinus (Diptera: Syrphidae) based on larval morphology and molecular data References links Photos specimens Category:Diptera Europe of Category:Diptera of Africa described in 1818 Ruth Graves Wakefield (June 17, 1903 – January 10, 1977) was American chef, known as the inventor of the House Cookie, the first chocolate chip cookie. She also a college graduate, dietitian, educator, business owner, and author. Wakefield grew up in Easton, graduated from Oliver Ames School in 1920. was at State School Department Household Arts in 1924. There, she worked as a dietitian and about foods. In 1928, she and her husband Kenneth Donald had son, Kenneth Donald Jr. In 1930, she her bought a tourist lodge House in
 hoverflies can be found from APril to OctoBer wiTh a PeaK fRom MAy to august. They feed ON necTar of yellow and white floWers sUcH As ErICa, daphnE, SeneciO AnD rOsaCeAe SpeCiES. THe larVae Live as rAt-tailed maGgoTs, Mainly in the mUD, iN animal carCasSes and in wateR coNtaminAtEd bY Pig maNurE.

GallEry

BibLIograpHy
Joachim & hiROko HauPT: FliegeN UNd mückEn: Beobachtung, LebeNSwEIse. Naturbuch-VeRlag, AuGsBUrG 1998,.
rIcaRte, antonio & M. Á. MArCos-GaRCía. 2017. A cheCKlIST Of tHE Syrphidae (DipTera) of Spain, aNdoRra and giBraLTar. ZooTaxa 4216(5): 401–440
SPeIGht, m.C.D. (2014) Species aCcouNts of EuroPean SyRPhidae (DIPtera), 2014. SyRph the net, The DataBAsE oF EuRoPEan sYrPhiDAe, vOl. 78, 321 pp., SyrpH tHe net puBlicATIONs, DuBliN.
 CelEste PÉrez Bañón, SantOs ROjo, GUNilLa StåHls anD M. AnGeLes MaRcos-GaRcía – TAxOnomy of European erisTalinus (DiPteRa: syrPhIdae) bASed on lArvAl mOrpholoGy and moLEcuLaR DATa

references

External LiNKS 
 PHotos of CAliforNIaN sPEcimens

CAtEgoRy:DiPTEra of euroPE
CAtegory:DIptera OF ASiA
CategoRy:dipterA oF AfRicA
CateGOry:HOverflIes
CategOry:InSEcts described iN 1818 ruth Graves WakEFiELD

RUTh GrAveS Wakefield (JUne 17, 1903 – JANuarY 10, 1977) was AN AMerICan chEf, besT kNOwN As the inventor of the TOlL House cookiE, the first chocOlate chip cOOKIe. She was Also A CoLLege graduate, diEtitiAn, educator, BUsiness oWner, aNd author.

wakefield GREw up in EaStoN, MaSsaChuSETtS, and graduated FROm OlIvEr Ames HIgh school iN 1920. WaKefIelD waS eDucated at framinghAm stAtE NOrmAl SchOOl DepartMeNt oF HOusEhold aRts in 1924. THere, sHe woRkEd AS a dIetitiaN AnD LEctuReD aBout FooDs. in 1928, she And hER huSband KeNneth DonaLd WAKefiElD (1897–1997) hAd a son, KEnneth Donald WAkEfield Jr. In 1930, ShE anD her huSBAnd boughT a tourist lodge (the Toll HoUSe Inn) in
 hoverflies can be found f rom Aprilto Oc tob erwi th a  pea k from May toA ugus t. They feed on nectar  of y el l ow a n dwhite  flower s  s u c h a sEr ica ,D ap hne,Sen ecio an d Rosaceae  sp ec ies. The lar v ae  live as r at- tailed maggo ts,  mainl yint he mu d,in an imal c a rcasse s and inwa t er con t aminate d by  pig  manure.

Gallery 
B i bliography
Joa chim &  H i ro k o  Ha upt : Fliegenun d Müc k en: Beo b ac h t u ng, Lebensweise.Naturbuch-V e rla g, Aug sb urg 1998,. 
Rica rt e , A ntonio & M.  Á.Marcos-Ga rcía.2 017. Ac hecklis t of t heSyr phid a e(D ipt er a ) o f  S pai n , A ndorra a nd  G ibral tar. Z o o taxa  42 16(5 ): 40 1–440
Speight , M .C.D .  (2 014)Speci es a cc ounts  of Eu ropea nSyrphidae (Dipt era) , 2014. S yrp hthe  N et, t h e data bas e o f Europ ean Syr p hid ae , v ol . 78, 321 pp., Syr ph t he  Net pub licati o ns ,D ublin.
Ce les te P é r ez Ba ñón, Sa ntos Roj o, Gun i ll aStåhlsan d M. A ng ele s M arcos - Garc ía – T axonomyof Eu r opean Eristali n us (Diptera:S yr p h id a e) b ase d on larval  mor p holo gy a n dmol e cular  data 
R ef e rences

External li nk s 
 Ph otosof California n specimen s Category :Dip t er a  of Europe
Cat egory :Diptera o f  Asia
Ca tegor y:Dipter a of Afri c a 
Categor y:H ove rfl ies C at egory:Insects d escr ib ed in 1 818  Ruth G rav esWak efi el d

Ruth G raves Wa ke fi el d(Ju ne 17 ,  1903 –Ja nua ry  10 , 197 7 ) wasan Am eric an  c h ef,  best k n ow n as t he  i nven tor  o f the  Tol l  Ho use Coo kie, thefir s t ch oc ol ate chi p cookie. She  w as also aco lle ge gra d u ate, die titian, educator, busin e ss owne r,and a utho r.

Wakef iel d grew  up in Eas ton, M assac hu set t s , and g ra dua te d from Oli v e r A mes H ig h Sc hool in  1920. Wakefield w a s e ducated at Fr ami ngha m St ate No r mal  S c hoo l Department of H ousehold A rt s  i n 1924. Th e re,  s he work ed as a  diet i tian an d lecture d about f oo ds.I n  19 28, she an d her hu sband Ken n eth D o na ld Wa kef ield ( 18 97– 1997)  had a son , Ken neth D on ald Wa kefie ld  Jr. In1930, she and her husba nd bou ght a  to urist lod ge( the  Toll Hou se I nn) in
 hoverflies_can be_found from April to_October with_a_peak from_May_to August. They_feed on nectar_of yellow and white_flowers such as_Erica,_Daphne, Senecio and Rosaceae species. The larvae live as rat-tailed maggots, mainly in the_mud,_in animal_carcasses_and_in water contaminated by pig_manure.

Gallery

Bibliography
Joachim & Hiroko Haupt: Fliegen_und Mücken:_Beobachtung, Lebensweise. Naturbuch-Verlag, Augsburg 1998,.
Ricarte, Antonio & M._Á._Marcos-García. 2017. A_checklist of the Syrphidae (Diptera) of Spain, Andorra and_Gibraltar. Zootaxa 4216(5): 401–440
Speight, M.C.D. (2014)_Species accounts of_European_Syrphidae_(Diptera), 2014. Syrph the_Net, the database of European Syrphidae,_vol. 78, 321 pp., Syrph the_Net publications, Dublin.
 Celeste Pérez Bañón, Santos_Rojo, Gunilla Ståhls and M. Angeles_Marcos-García – Taxonomy of European_Eristalinus (Diptera:_Syrphidae) based on larval morphology_and molecular data

References

External_links 
_Photos of Californian_specimens

Category:Diptera of Europe
Category:Diptera of Asia
Category:Diptera of_Africa
Category:Hoverflies
Category:Insects described in_1818 Ruth Graves Wakefield

Ruth Graves Wakefield_(June_17, 1903 –_January_10,_1977) was_an American chef,_best_known as_the_inventor of the Toll House Cookie,_the_first chocolate chip cookie. She was also_a college graduate, dietitian,_educator,_business owner, and author.

Wakefield_grew up in Easton, Massachusetts,_and graduated from Oliver Ames High_School in_1920. Wakefield_was educated at Framingham State Normal School Department of Household Arts_in 1924. There, she worked as_a dietitian and lectured_about foods._In_1928, she and_her_husband Kenneth_Donald Wakefield (1897–1997) had a son, Kenneth_Donald Wakefield_Jr. In 1930, she and her_husband bought a tourist_lodge_(the Toll House Inn) in