Sabethes (Peytonulus) undosus Coquillett

Stein, Marina, Alvarez, Carla N., Alonso, Ana C., Bangher, Débora N., Willener, Juana A. & Campos, Raúl E., 2018, New records of mosquitoes (Diptera: Culicidae) found in phytotelmata in Northern Argentina, Zootaxa 4399 (1), pp. 87-100 : 93

Sabethes (Peytonulus) undosus Coquillett

OUR SpEcImENS HaVE all THE cHaRacTERS dEScRIbEd IN HOWaRd et al. (1915), aNd THE fOURTH-INSTaR laRVaE ( FIg. 4G ) aNd malE gENITalIa ( FIg. 4H ) WERE IdENTIfIEd aS Sa. undosus USINg THE dEScRIpTION bY THaT aUTHOR. MalE gENITalIa: NINTH TERgUm WITH bROad INTERlObUlaR SpacE, SlIgHTlY cONVEX IN THE mIddlE, EacH lObE WITH 4 SlENdER SETaE; STEm Of gONOSTYlUS SHORT, HEad laRgE, lObE C SHORT aNd cURVEd WITH THE ENd ENlaRgEd aNd STRIaTEd. THE laRVaE Of Sa. undosus caN bE IdENTIfIEd bY pRESENT abdOmINal SEgmENT VII WITH a paIR Of SImplE cURVEd HOOKS (SETa 1-VII); cOmb ScalES IN a SINglE ROW; SIpHON INdEX mORE THaN 4.0; SETaE 2– 4-X EacH WITH 3 bRaNcHES; SETa 1-X WITH 2 OR 3 bRaNcHES.

Bionomics and distribution. LaRVaE WERE cOllEcTEd fROm THE INTERNOdES Of Guadua SpEcIES Of bambOO ( POacEaE ) WITH laRVaE Of Wy. (Miamyia) codiocampa DYaR & KNab. CURRENT dISTRIbUTION IN CENTRal aNd SOUTH AmERIca: ARgENTINa, BElIzE, BOlIVIa, BRazIl, COlOmbIa, COSTa RIca, EcUadOR, FRENcH GUIaNa, GUYaNa, HONdURaS, NIcaRagUa, PaNama, PaRagUaY, PERU, TRINIdad aNd TObagO, VENEzUEla (WalTER REEd BIOSYSTEmaTIcS UNIT, 2013; ROSSI, 2015). Sabethes undosus WaS REcORdEd pREVIOUSlY fROm CHacO aNd MISIONES pROVINcES. IT IS REcORdEd HERE fROm CORRIENTES PROVINcE.

Collection data. CORRIENTES PROVINcE: SaN CaYETaNO, RIacHUElO, IX-2012 2 L, 29- IV-15 1 M, LE, PE, MG, 5- VI- 15 1 L. CampOS aNd AlVaREz cOll. aNd dET. SpEcImENS IMR. CUL 22-001 TO -002 ; ILPLA.CUL 22-001 aNd -002.

Figures

FIGURE 4. Specimens collected during the study. (A, B) Culex davisi: thorax of larva showing prothoracic seta 1‒7-P, (B) terminal abdominal segments of the larva; (C,D) Cx. castroi: larva head, (D) thorax and detail of pecten spine; (E,F) Cx. renatoi: female with white scales on midlobe of scutellum; (G,H) Sa. undosus: larva (G) showing two hooks on VII (seta 1- VII), and male genitalia (H). Gc, gonocoxite; Gs, gonostylus; P, proboscis; PS, pecten spine; S, siphon; Stm, scutellum; Ta, tarsomeres; 1-C, head seta 1; 8-P and 14-P, prothoracic setae; VII, VIII, X, abdominal segments VII, VIII and X, respectively; IX-Te, tergum IX; 1a‒e, siphonal setae; 1‒4, setae 1‒4-X. Photos by Janinna Faraone (G and H), Carla N. AlVaREz (A‒F) and Raúl E. Campos (E and F).