Entomological surveillance

t\'[iicriu-].lDI]],1 \."\-tL. *tt *LL.r , s Date: 22 July 1!80From: I,larc Ls Tazin Progranme Dj-rector .Trio.'2O/80 To: AlI Chiefs of Un-its Services a^nd Sectors Jlq!_o*qo*1--o-Sl9-"*--:"iU5v-9_1-f _Lap_cg C?rief, Vector Control Uni.t, a in the eastern zone and visited the G c sectors in Ghana, Senin zr,nd l:liger. discussions with the staff and insp strategic capture and control tes of the ar The entomological situation in the centre of the -Progra,nr,re area in Upper Volta a-nd Ghana remains remarkably satis{'actorl'. lihereas some streems as far north as the Diamong'ou and the Gouroubi Illvers in iiiger but also otirers such as the l'lhite and the Black Yolta in Ghana are flooded, the level of most of the watercourses is surprisingly low for the season. Ihis is parti- cularly true for U:e Oueme system in Benin. The first nullJ-parous flies were cau65ht last week in lliEer on the Dia.nongou River and nov that the Tb,poa rLiver is flowing, treatments have been initiated on tl:e entire h1'dro1o6;ical netrrork covered bJ' the vector control operati-ons in liiiger. In Benin the increase of fIy densities at Gbasse on tire 3ota, at f-libori on the Alibori, and at I(r:remou on the lieiaon, follows the same pattern as in the previous years and a special study may be undertaken in August to dete:mr-ine vrhether the population of -:t-_dggp-o-S_ilg with which we are dealing at Gbasse is a Iocal one. }r F. liilou, r/:)C Llr J.J. citAlmeida, iil'C/Sauako Dr L, Atayi, ifPC/Abidjan Dr .T. liright, )ir"lC/iTiarriey .Dr 1i.,{. i-tRaye, \'lPC/Lon6 Dr li. Alisbah, l^ior1d Bank ih J. Peber(y, llor1d Bank itr S. .t)enni.n,g, !,{orld Sank l'lr C.H. Bonte-Ibiedheim, FAO Ih C.G. Groon, FAO t,'rl' ii. Doo i(ingu6, Il:i.,DP i'tr ii. il r Dj.aye, TJTDiT two-week field trip tor and all the sub ocation he held ected most of the e4. Ilt C./-,A. l),uenumr ,nm/l+nO nlr S. Elache, lJI,/ltit Dr A.ur. Lucasr TDP./H'1 Dr J. Ilamsn, WC/H'| DEe T, Lepbs, l'rln'/:::, .Dr A. Davis, t)DPtli!-[h C. ]iorrow, IUF/IIQ I'lr -q.. Groenendijk, BFI/ii? i,[:r C. Vipgres, Lefi1,7 Dr F. Ilartin-oamos, 1/.i Cf 0ua6a nr F. Grant, AIIIO Dr I:. !/ard.-Brerr, l"\;l Cf ltccre. 22 July 1980 -2- In llogo the fIy densities have again decreased r,,rithj-l the i rogra:rrne boundaries but are stilI considered too hi.;i., in the extension stud;, zone where experimental t'ceattnents were itiitiated b)r nid-Jr:ne. lrospections further south confi:rr the presence of numerous potential breedj-ng si-tes, specially in tire Asukanrkaw systen. fn the occidentol part of the 1i,roge'alyae area, in 1,b.1i and Upper Volta, ti:ere is a roticoable north-east pro;pr:ession of the nigrating flies which have rrow hit llaberer on the -Dougouriba. [he average daily catches .ir:oreased there frour { tire previous week to2I l-ast vreek. Tne situation has cone mder control at Chutes Gauthier, on the lower Sandama, witi: a daily catci;es avera5'e of I for: Iast week. ,limultaneou.sly this average was s UiIl of 295 at Tb.abo, soi::re {i k-ns upstrearn. Tt has tircrcfore been decided this lveek, on an experS-- rnental basis, 'bo resr::le l-bate treatnents at Chutes Gauthier and to replace Abate treatraents by chlo4hoxim treatients at 'Ib.abo. Fly densrties continue to decrease at lmoukoukro on the lower Comoe. -PrPF-%Eq4 Following research on cultivation of C. .r4ol,1,pJ.qs i.rr _vi +"qo for which the Progra.ume provided i;loroiO in $ie-17 )'fire -,r-"n"s- ;Io-pr.insUn-iversity research workers have been able to isolate an antigen which is excreted by the cultured rricrofilarj-ae. hrrtirer research not-r u-nder consideration would include first, extensive fieLd testing of the exoa:rti6:en as an irmunodiaglnostic agent for oncirocerciasis arrd second, characterization of the reaction which follous the s.dminisf,3ation of DEC to individuals who are ir:fected by.Q.-11_o_1;4{9p., By telex on 18 .Tu1y the Pro,3ra,rnme requested fron Prof. ll.L. Schiller, who carried on flre research rrnder the i'ro6ramme fundtrg, a report on iris findlng:s. Agllqt]-"-,qqq1!..o;1rlg 13y letter on 1I Juh.r tire ,)irector of the Institmt Sup6rieur Iolytechnique of Upper Volta srr'ottitteC to the i'ro,3ranne -Director aproposal for the carqying out of tire aq'.ratic nonitoring at i)O Sridge, on the ied Volta, by tire s'baff of tne fnstj-tr'.te, 'Ihj-s proposal is rrnder consideration. _!c_ong-qip-rlgye_Io!-q_e-qt By letter dated 9 Ju.].y the ikecutive Secretaqr of tire idveri{iger Conrnission invited the P-ro5.::ar,rme to participate in a neeting to be held in Oua8adougou from 4 to 7 t'Jepternber to stud;, a draftproposal for the fr:rther developrnei:t of the ifiger 3asin Area. ll. Helnho1z .r0{[']T'iDf ruiili rot 'Eilri jlJlli l4,-. lp_^rlp_r,. .I_2B.ql ,a,0C r'1, C'U]II,UIICY clltuI_xrl ','liil:l;:(li) cu r..!,A11I"'11 IIBC (r ) Cl]IIIJ'],T-TIVJ ] 1e7e (f ) HQ, Ouagadougou ,{erial Operations(including fuel) Siectors Barnako li. l'rs Bobo Dioulasso CIY\, Bouak6 CIi'A La;rrra-r,ara CI'1l I{atitin.gou CFA Tb.ma1e l-,\. /, Salaries (weekly estinates) ?rograrnme area A-rROlrq i Iotal erpenCiture for ; 14-18 July, 1!BO Cumulative expendi.ture for previous 28 weeks Total curnulative erpendl- ture for 2p weeks 341619 : 41459,715 ,Lr9791297 7OrBO7 " Lrr4grr2B ',.111321295 2 t 47') t8'15 957,549 Lr14Trg25 9r,18C 2O51625 1, tjll. JC 6 rct27 4r571 5r545 484 I r ''1OJ 559 LLZr4r.t4 6rBoo 294rO5o 13 1955 12\OLZ 6L1522 18rtgz ,6,552 12r91B 1 2A5E rO29 L97,zna 29 r59rJ tBr557 77 1759 26rLz',1 12r579 BrO22 i 2,4a9,Trc ', tgT rzo0tI I l i ! I I lI I iI g rtgo r7ll 9 r 4E4r7 61 5rt9L1248 , I .*.',*..J Actual lfuchar:ge -late: I Iiij ;) - 205 I'rs CIU' ,{10 Ii. i:rs 2.75 G:n, / fhe amol,rrt of :i;294,0!0 represents 2,'.', of the total bud.ge t of i:I5rO27 rlOO approved for 198U. ftre cumulative erpenditt-,re for t.ire firs'b 2! wecks of the year wiren coml:ared riith the experrditr:re for tire sane period in 1979, reflects ar: increase oI JJ.2'..,. 0 !. I I i I 1tr i l.i .7 Z 3. II \ I i -t ,!ao o F t +' Or GI sli ol rtl(rl{Jld C, n F{ +tld6 o e,6t{ o > I t|fit a$l t t,l 8r i .I -rr'@;;t .e <lri i \ 1,.. Fj o J o6 4. 6 6 -o(9 G J @ - U o(J GU PJ q G Eoo UFF ::,J U6..\ =\ =G(, oE4 i-_ + I -\-. t ,, \ II a d G a Ilt Gd =E d -F ; :E :E E(, o E Jo&F2o(J cU' 6EUo <) - *o CI\ o E:€ .:p .!u eE 9UtEc .ojRI['o :,EE '6 E:3€ rt, 0, E.EJJil ( \ ^t .I o d i. a @* a