SVRPHIDAE OF MAINE. 



207 



HABIT EXAMPLE STRUCTURE 



A.PHYT0PHAGOUS: , 



l.Fc£DM& CXTERN/IU.roN LIVING PLHMTS^Mesot/ra 

 ZjFtCDIHG INTCKVALLY OX Z.IV//VG PLANTS'. 



<Xjnsfen*scfharfisorti-unit$cftTees:-Chi/QS7i 



hlnhalhe: — -{^t^ 



ima. polita (W,9S,S3,S2,3Sp30,VZ)~ 

 (SSTp ZOT, 6X P 271) 



-..Int. 



d In fungi: 



B.CARWV0R0US: 



(63) 

 Vo/ucella avlda.09) 

 Ko/ucella fa.3cia.ta. (&3,Sl) 



Chllcsia (SSp X07) 



Platychirus scutatus (S5 p.%63 ) 



I OTHER INSECTS 



I Pnconccous c 



CHIETLt APHIDS PHO NrMPHS Or 



othcp homoptzp* : 



Q. Externally among cola 



■desta. (SB) 

 Piplja rxJicum (ISp m.17pS>.S7pS3,lp3S0,ll) 

 Pa y-agus (SSp ' 



aef5! 



ngustlfrons i q."- ) 



Sac 



.. (31)- 

 s tliialls (311- 

 • (SS p.YS6 . 1-7. p. 27 

 ■ tabista (II 



..: 



coynata lis) 

 l*yens(is> 

 Ocgpfamus 

 iVe/anostom 

 s of host- Platychtru 



Z> "Sea fasciata'fu 

 Syrph 



fZ"pA 



. *ti±s?('&p lie) 

 -, (ssp.Javt 



ipes ( SSp 3X6. 30)- -^ 



(3z.«3,/sp rv a)— j 



Tit fens (-^. "• J 



pgrastri (SS-/, 336 , Ip 31,3) 



s*7"h 



TyrpnZs x'anfTfo stoma to.-,. .39) 



Syrphus torisus (<30.*5?Z)- 

 Sirptius xanfhostomd to 



I f'S,X3.33,V3 ) 



S phaeroph 



bWithin galls of the Aosn Syrphus x 



C.Calchinq active winged insects:-Atelanosfain< 



fniogra.pt*- obli 

 A7e30gramnn marginatd ( 'SJ 

 Mesogramma polita. ('S) 



' riaC J) ?!ndri'C0(SS^VJ7,Y3/S,UJ3) 



nt/taatam* 13V) 



W&aai (SSp.303) 



>ino active winged 

 ZP/H7HSITIC OM PUPAE Or PLUS IA SPP : - Sgrp h u s pyrastri (S. Ip363,35p 1o) 



^SCAVENGERS: 



d-Jn decaying parts of trees: 



h.In diseased or flouring sap. 

 C.In decaying hero, 



t<,xum*tGZ P .27i.SSp.aiZ) 

 »Ji< «i« ? (3S P .13) 

 -fa (SSp ST3. SXp.171) 

 ;t«s fcKfrons ( o. -. , X7) 



: emargin 

 a (alii,) 



Myiol 



ifilop, 



Mallets _. 



X v to ta (SSp. Sf7, &Xp-X7l) 

 Xglota pigra- (/A.ZO)- 



fH(-SSp-S*7) 

 roc* CZ.P-X7I) 

 tuia (HX.P.27IJ 

 from* aea-ua/is (lb) 

 . ...-Tom a bomiyl* ns(Yb) 

 ChrysotoXum? (SSp-6VZ) 



"ifon 



zlor (SSp.V7S,c,X.p.H7l) 



CTh rgsochlamy.s(SSp 6X3, 6X.P-27I) 

 Cr-Cirhlnaf (SSp.J76t-S77) , 

 Cerla (62pJ!7l,-So-p. 6&Y*-t4S) 

 Ceria. u/lllistbni <*) 

 Platychirus scutatus (SSp.X63 ) 

 7*l*tychir-us an ' 



atus? ( 3Sp &f) 

 (Chrgsqgasterspp CSSp /8C} 

 d.Inheqps ofturfqrsoftmud l^Sf^rfrln^faf^ 8 ' 



\talis ar6ustorum(8) 



hina oxgacanthae (Sap S7CVS, 

 corny la, (JSp. b3 7) 



l.Inheaps of turf or soft mud \Xa n rAqsr a S!'na. ( 

 COntaTnlnjuegetablcmatterA^^ta^srenaJcl. 



e./nstognant orputrid uiaterlErista^is 

 of ditches, ponds, etc.: \Z.ri3ta.7ii 



artujstoru.m(8l^ ,, , 

 temporalis^ hirtus) (3) 

 r-eiopmius pendu-lus (&£-p SZf) 

 f.In uiateringtroughsoruieMCrlSfa/lj, (tenarOvr. <*P (?*) 

 J ■" \Helophl/us latifrons U7) 



a. in sewage.; SErl* talis aeneus (3YJ 



-> • J yCristalis tenax (31) 

 inhingia-C-SSp-YTB) , 

 \Troptdla. auadra-Ta (a- *.) 



YSurntta. ptSlens (a.. *. ,77)- 



UTriaralfj.'iastarcfi (a.*- ) 



A£rist*lls dimidiafUs ( 0. ".) 



\Eri*ratlj> me/genii (a. -• >- 



lEiris talis tenax (a v.) 



\tfeloplii/us conosthmu*(l"-)-- 



__ \Helophl/us lattfrons (v.v. ) 



ZFcEDIHGtHSHCCIOCMmLPIVl/^tTeS r 



IHTHEfmiMULBOOr.CHUSIMa:: \Sgr-phu-s sp.(2.) 



a-Mestinal >»J,i°si S .-----W™?>J/? ig&SnX.SS,, 



., \Helophilus pendu.fu.s? C3&) 



Jo/Vasal myiasis -Zristalis sp.(xs,76J 



C./turicUl4r' 7nj/la£tsi Eristalis dim/diatus (¥&) 



d-Yaglnal nwfasis:-- Zristalis sp. (/6p.7f3) 



i.FCEDIiva US SYMOKOETES: . . ,,_. 



-Microdon (bit) 

 Mlcr-odon triptis (t>o) 



h. In inahure orhutnan fae> 



cx.In the nests of Termites:- 



t fit tie nests of fltits-.- 



c.Inthe nests of Wasps andBees 



mien 

 Volume 

 Value 



... (S9.i3) 



_ t „3 (S9,.So-p.G6Z) 

 ^plformis (-S9J 



ft icrodon mutajblll 

 M\croclon d, 



""" 'tJo^i^t bf') 



ell*, tnanis (SSp. ?B7) 

 elta hombglandCI) 



(AS personally 



OBSERVED) 



A. 

 THE 

 KAPHIDOPHAGOUS 

 TYPE 



B. 



THE 



BORER 



TYPE 



C. 



THE 



SHORT-TAILED, 



FILTH-INHABITING 



TYPE 



D. 



THE 



LONG-TAILED, 



FILTH-INHABITING 



TYPE 



E. 



THE 



MICRODON 



TYPE 



LARVAE OF SYRPHIDAE 



Fig. 28. An outline of the known habits and structure of the larvae 

 of Flower-flies. The numbers following the names of species refer to 

 papers in the bibliography. 



