PARASITISM OF MEDITERRANEAN FRUIT FLY IN HAWAII 3 
TABLE 1.—Records of infestation of host fruits by larve of the Mediterranean frurt 
jly in Hawaii during the years 1922, 1923, and 1924 
Average 
Number of fruits | Number of larvae | number of | Average 
collected emerging lat yae per aes 
7 i 
Host fruit ruit enim! 
ET a AOE Te La RTE, RS ee 
1922 | 1923 | 1924 | 1922 | 1923 | 1924 |1922/1993|1904) inclusive 
Indian almond (Terminalia catappa) -.-|27, 772/17, 505)20, 408/195, 512/135, 484/100, 225) 7.0) 7.7| 4.9 7.9 
Mango (Mangifera AT CICa) Paes hee ow 3 198) 2, 313) 3, 189) 18, 362] 23, 923) 21,923) 5. 7/10. 3] 6.9 5.9 
@ofiee,(Cofiea: arabica) =.= s2. -2-2252. 250228 21, 15/205 647)| Bae ae 1270)2 Geo02Eoes ee Lies 4 
Oi guava (Psidium cattleia- 
IU TOY ny ey eS A see 13, 318} 3, 813) 2,494) 21,795} 4,613) 3,059) 1.6) 1.2) 1.2 1.5 
Black myrobalan (Terminalia chebula)_} 2, 036|_._.---|------ 63598 |S ee BE VA ee ee 6.0 
French cherry (Eugenia uniflora) -_-_-__- 6, 453| 5, 510)12, 980} 6,056} 5,202] 16,897; .9| .9) 1.3 1.2 
Satin leaf (Chrysophyllum  olivae- 
HOITING) Pps ee Soe ee T628 oes irs oboe SrS dO ess |e ee 3:16 | fees | eee 3.3 
Rose apple (Eugenia jambos)---__-__-_-- 321; 107) 1,897) 3,949 343} 22, 369/12. 3) 3. 2/11.8 9.9 
West Indian medlar (Mimusops elengi)-|-_----- VG) HE ee ee 364) 2-225 a Mee POL Ge 8S Sou 
Carambola (Averrhoa carambola) ___---j|--_--- Say) SIS es 11 20 asl eel liars .6 
Yellow oleander (Thevetia neriifolia)___; 1, 208 5,150} 422) 4,548} 26, 493 814, 3.6) 5.1) 1.9 4.0 
. Loquat (Eriobotrya japonica) -____-_--- AQ | ses ee i Dili eRe |S aaa | ee ese 2.4 
Chinese orange (Citrus sp.)_--_-------- 42, 195/31, 731/26, 750/119, 816) 66, 049) 58, 812} 2.8) 2.1) 2.2 2.4 
Guava (Psidium guajava)..._.-_------- 4, 706| 3, 494 L 002 53, 762| 25,193} 5, 502/11. 4) 7.2) 5.5 8.2 
Orange (Citrus aurantium) __._._------ 1,728) 1,121) 635) 4,270) 38,891) 1,208) 2.5) 3.5) 1.9 3.0 
Tangerine (Citrus nobilis)__.._...___--- 494) 1,554) 1,460) 2,108} 1,048 817| 4.3) .7] .6 185 
Lime (Citrus medica limetta) -______--_- SDA cee 3oS 386 67 CO eA ges ke .6 
INoronhiaemanrginatas- 2-25 Fe seo AOGG(Rsceex (alsa se a aed pbs a aS SI 15 /S 223 | cee ies 
Ochrosigieilipiicas =e eee G7: eee Pe es (0) Pees ge Tce 11) eh a eas BH y/ 
Kamani (Calophyllum inophyllum)--.-_|.----- TGS Ed ge ee its 203) Eee ieee eS eae 3.5 
Peach (Amygdalus persica) -_-.--------|------ IS eee ee pe a ADD Piette 2 lear toe 234 noes 18. 4 
White sapote (Casimiroa edulis) _______- 24 eked a ee PU he a 2292s aaeien 5.9 
Star-apple (Chrysophyllum cainito)_.__|}.----_|------ JB PR leh ee bs () 2h ee Oak Seon 
Waiawi (Psidium guajava pyriferum) __|_-____]_-__-- VAG ewe asa | eee Se Me el sale Q 25 
ARermnneliaispp=.teb a ee Wena Oe ee eee ee 2S leeeen us| ene OS |e ees | G49 6.9 
Grapefruit (Citrus decumana)-------_--|------|------ 6G eae ra es QA | 43 
PP ACHACHS CARICA) soe as ee eee eee | Re oe ecg SO eee ao eee AB ees ees Deal eal 
TABLE 2.—Average number of larvae of the Mediterranean fruit fly per fruit examined 
in Hawaii for each year of the period 1916 to 1924, inclusive, and for the period 
as a whole 
Average number of larvae per fruit in— 
Host fruit 
Over 
1916 | 1917 | 1918 | 1919 | 1920 | 1921 | 1922 | 1923 | 1924 | 9-year 
period 1 
AM@ianralmonde ss. se ee Qe oy aS: Ol eONON Tn SKaet O50 LO; Sale CaOr eid 459 7.9 
NVR Os sae eee ue ka eh  B2 a Dera er Selet e244 Gk Seal) Seon wo OmMmeDa en OnsalOs9 5.9 
COMCE see ee ete ae ee ay Ue ms od) .8 6 A .6 bei eee sell &) 4 
SUrawibernyiguavace 2 sos le ees Bee LOE 2s Onieeeo snl Qi ae ele 5: Aue ole lO leroy emer 1.5 
Blacks myrobalan 2 se (a OMPeOsOn pean Sake | OsO sO iO pais cies seo | eee 6.0 
KEN CHICheniy see ee ee 28 120") 1k0 20H e140] 5159 .9 Oe 8 12 
SAGUITI Ce Wem eee ae ee ee ee. ZEON Ee Coan Samed: On Paae ie |p. == 5) a ee 3.3 
IROSCAD Denote = Se a ar Ne ety || Gite) | OG ee a ab tye eae WN e334 i) aha f3} 9.9 
Wiest Imdianimedilar: = 2225. 925 eee Re SP Gide ee MASE G OM lee eee BY NE ee a ah 7/ 
Serrovore bi ele 2 ae eee eee Oe eae eee ie ea OLE fee se ee se (a ee SHOR eae OER eee Ae 7.0 
CATA DO We se eek oe ee BS IES .9 gal 27 OR mess all bal .6 
Mellow Oleander (ice. 22 ese ee S Ghia ROse EON OR| a leediily © le. )e=: ae BoGiie 7d. Le 1e9 4.0 
LOO PERS Sh OE ae SP ee eee eee QO | LSet ou4y ee ses 4.5 Bre) | fees iB | Le ae 2.4 
@himesevorangess ie eae ee ad Bal These) |i dieses We PA GN ASN PAG BAS I Oe ata 2 O 2.4 
UDA YiCh ea pee a RE ek ea Tete) | eats) Ps toy, |p Ec eo Oy Ce HP Tee TS Yee yy iS 8.2 
WTAE Cue ee aoe eee et Re Dae Soi ae ne NR ape. oe Bee GOW ore 2hO | Bay. Ie) 3.0 
eRanverin@ieese - C7 ENE ei ee Oe Ee earls bea ee ees ek «9 [93.1 | 453 a .6 15 
TMC ee ee Be Ee ae Pe bre ed WPF |e ii .o a2) © .6 
INoronhiaiemarsinatas— 22 eee ip eee deo Ei eat le ch i ian pce |i bs Pah oe he |e 1.6 
Ochrosiajelliptical.-- 22255. esis. nee Sel ZBR Dy) = ee ee Cee gee ateH CQ) | eee ey. ia raed Bh 7/ 
FRCL TA Tee eee ee mea ie leasuont paetanee cna Or OM eckaQuies —L ie fee sores IE ieaeeee 3.5 
Tete (gatas eee Ra So See eee oe Gee ene ZOUSR lion gae2Ze4 sp oaO ello Ge (eas sm pte eenen D354 ee 18. 4 
WHIT CIS A OUG ie epee we Ee es PEN |e ee ne eee ee. es Dials e || ses 2 U 5.9 
SLGE-4)D DC ume = een. ek ee eS Oe 5s ie pa S| ce he eed .0 .0 
WVU Aye en SE a es [pens ee (eee 21a eel 5 Ope 5 ea ee ee .0 ah 
“AM GSRTEM OIG UW, Sf Oy Oy Sok wa Om SR A me Ts [Soe ales Ses 6.9 6.9 
Grapetruitaes . Orie ei ebay. ed |i oe Re S48 (ee See CE OE eRe Ne eM ee Be) Een S BS pe) 
Ti a ee eee | Poet flats A es ie ke el oe ee 2 cle IBY = flees 5: 1 Beal 
Brazilian plum (Eugenia braziliensis) - Bs jc ec | See a fe el | mI el 1, des Me i .8 
1 Weighted averages. 
