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Diptera: Tephritidae) in Argentina

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Diptera: Tephritidae) in Argentina Fruit Flies of Economic Importance: From Basic to Applied Knowledge Proceedings of the 7th International Symposium on Fruit Flies of Economic Importance 10-15 September 2006, Salvador, Brazil pp. 113-125 A Review of Hymenopterous Parasitoid Guilds Attacking Anastrepha spp. and Ceratitis capitata (Diptera: Tephritidae) in Argentina Sergio M. Ovruski, Luis E. Oroño, Segundo Núñez-Campero, Pablo Schliserman, Patricia Albornoz-Medina, Laura P. Bezdjian, Guido A. Van Nieuwenhove & Cristina B. Martin Planta Piloto de Procesos Industriales Microbiológicos y Biotecnología - CONICET, División Control Biológico de Plagas, Avda. Belgrano y Pje. Caseros s/nº, (T4001MVB) San Miguel de Tucumán, Tucumán, Argentina. ABSTRACT: This study provides detailed information on the diversity, abundance, guilds, host plant and host fly ranges, distribution, and taxonomic status of hymenopterous parasitoid species associated with Ceratitis capitata (Wiedemann) and Anastrepha spp. (A. fraterculus (Wiedemann) and A. schultzi Blanchard) in Argentina. Moreover, the article also argues future needs regarding the use of some parasitoid species as an alternative tool in fruit fly management programs of the National Fruit Fly Control and Eradication Program (PROCEM-Argentina). Data used for this work were obtained from numerous old and recent published articles on fruit fly parasitoids in Argentina. Key Words: Medfly, South American fruit fly, ecology, natural enemies, biocontrol INTRODUCTION programs by using some native parasitoids that were collected in wild vegetation and Over the past 30 years, there has been released in commercial fruit orchards, as well noteworthy attention in the utilization of hy- as by using of exotic parasitoids introduced menopterous parasitoids in integrated fruit into Argentina from Hawaii, Costa Rica, and fly pest management in tropical and sub- Mexico (Ovruski et al. 1999). The introduced tropical regions (Wharton 1989, Aluja 1996, parasitoid species were: Fopius arisanus So- Sivinski 1996, Purcell 1998, Montoya and Lie- nan (reported as Opius oophilus Fullaway), do 2000, Sivinski and Aluja 2003,). Thus, the Doryctobracon crawfordi (Viereck) (reported employment of new Afrotropical and Neotro- as Opius crawfordi), Diachasmimorpha lon- pical parasitoid species is a valid and appli- gicaudata (Ashmead) (reported as Opius or cable strategy for the suppression of Ceratitis Biosteres longicaudatus) (Braconidae), Acera- capitata (Wiedemann) and Anastrepha spp. toneuromyia indica (Silvestri) (reported as in Latin America, respectively (Aluja 1999, Syntomosphyrum indicum), Tetrastichus gif- Ovruski et al. 2000, Wharton et al. 2000, Lopez fardianus Silvestri (Eulophidae), and Pachy- et al. 2003, Sivinski and Aluja 2003). crepoideus vindemmiae (Rondani) (Pteromali- In Argentina, C. capitata and A. fraterculus dae) (Ovruski and Fidalgo 1994). From these (Wiedemann) are two economically im- species, P. vindemmiae, A. indica and D. longi- portant fruit fly species, and their control is caudata were released in limited numbers in currently kept, within certain limits, through some provinces (Turica 1968). Unfortunately, insecticidal bait-spray applications and cul- the effectiveness of all these biological con- tural practices. In the case of the Medfly, the trol efforts in reducing C. capitata and A. sterile insect technique is applied (Aruani fraterculus populations to an economically et al. 1996; Spinetta 2004). However, there significant level was never ascertained due were also some isolated efforts throughout to absence of follow-up studies (Ovruski et last century to implement biological control al. 1999). At least 18 and 22 hymenopterous para- Corresponding author: Sergio M. Ovruski sitoid species have been recorded from C. ([email protected]) Book Fruit Flies.indb 113 28/10/2008 08:26:50 114 From Basic to Applied Knowledge fruit fly parasitoids in Argentina capitata and A. fraterculus in the Neotropi- sitoid surveys of economically important cal region, respectively (Ovruski et al. 2000). fruit flies, such asC. capitata and A. fraterculus. Surveys of the parasitoid species attacking Most records of parasitoid come from bulk cryptic A. fraterculus species and C. capitata samples of fruit, from which several species have been published in Mexico (Aluja et al. of flies and parasitoids emerge. Parasitoids 2003, López et al. 1999, Sivinski et al. 2000), reared under these conditions are often con- Colombia (Yépes and Vélez 1989, Carrejo sidered as coming from prevailing tephritid and González 1999), Guatemala (Eskafi 1990), in the samples (Wharton et al. 1998). There- Costa Rica (Wharton et al. 1981), Venezuela fore, there are various published records on (Katiyar et al. 1995), Peru (Cruz 1995), Brazil fruit fly host-parasitoid association that need (Leonel et al. 1995, 1996; Salles 1996; Aguiar- to be verified (see Table 1). Moreover, various Menezes and Menezes 1997, 2001; Canal et parasitoid species previously reported in the al. 1995; Canal and Zucchi 2000; Guimarães literature had never been formally described et al. 2000, 2003; Carvalho et al. 2000; Car- or had been misidentified (Ovruski et al. valho 2001; Aguiar-Menezes et al. 2001), and 2005). In addition, all the literature on tephrit- Argentina (Nasca 1973; Ovruski 1995, 2003; id parasitoids of the Neotropical region was Wharton et al. 1998; Schliserman et al. 2003; also checked, which provided information on Ovruski et al. 2004, 2005, 2006). These articles parasitoids species occurring in Argentina. mainly show that the Neotropical region un- Parasitoid nomenclature follows Johnson doubtedly represents a valuable source of (1992) for Diapriidae, Wharton (1997) for Bra- additional parasitoid species which could be conidae, Gibson et al. (1997) for Eulophidae employed in order to abate the populations and Pteromalidae, and Wharton et al. (1998) of Anastrepha pest species. In addition to A. for Figitidae. fraterculus parasitoids, a recent article pub- lished by Schliserman et al. (2004) informs on a parasitoid guild associated with A. shultzi RESULTS Blanchard in Northwestern Argentina. The purpose of this study, is to provide Diversity. There are two regions within Ar- detailed information on the diversity, abun- gentina in which fruit fly native parasitoids dance, biology, host range, distribution, and are common: the region which comprises taxonomic status of hymenopterous parasi- Catamarca, Tucumán, Salta, and Jujuy (NW) toid species associated with C. capitata and and the region that covers Misiones, Corri- Anastrepha spp. in Argentina, and discuss entes and Entre Rios (NE). The original native future needs regarding the use of some neo- vegetation in both areas was a subtropical tropical parasitoid species as an alternative rain forest, locally known as “Las Yungas” or tool in fruit fly management programs of the “Selva Tucumano-Boliviana” in the North- National Fruit Fly Control and Eradication west and “Selva Paranaense y de Galería” in Program (PROCEM-Argentina). the Northeast (Cabrera, 1976). As a result of several fruit fly parasitoid surveys made over the past 69 years in these two Argentinean METHODS regions, a total of 11 neotropical parasitoid species (5 belong to Braconidae, 4 to Figiti- Data used for this work were obtained from dae, and 2 to Diapriidae), 2 indopacific parasi- numerous old and recent published articles toid species (1 Braconidae and 1 Eulophidae), on fruit fly parasitoids in Argentina. The vast 1 cosmopolitan parasitoid species (Ptero- majority of these publications involved para- malidae), and 2 pteromalid parasitoid spe- Book Fruit Flies.indb 114 28/10/2008 08:26:50 115 From Basic to Applied Knowledge fruit fly parasitoids in Argentina Table 1. Native and exotic parasitoid species associated with Anastrepha fraterculus, A. schultzi and Cera- titis capitata in Argentina and some biological characteristics. 1 1° = primary; 2° = secondary; K = koino- biont; I = idiobiont. 2 In = IndoPacific, Ne = Neotropical, Co = Cosmopolitan. 3 S = solitary; G = gregarious; En = endoparasitoid; Ec = ectoparasitoid; L-P = larval-pupal parasitoid; P = pupal parasitoid. 4 Host fly- parasitoid association should be verified. Parasitism Species Host Host fruit fly Modes1 origin2 Interaction3 species Braconidae Diachasmimorpha longicaudata A. fraterculus 1°, K In S, En, L-P (Ashmead) C. capitata A. fraterculus Doryctobracon areolatus 1°, K Ne S, En, L-P A. schultzi (Szépligeti) C. capitata 4 A. fraterculus Doryctobracon brasiliensis 1°, K Ne S, En, L-P A. schultzi (Szépligeti) C. capitata 4 Doryctobracon crawfordi 1°, K Ne S, En, L-P A. fraterculus (Viereck) Opius (Bellopius) bellus Gahan 1°, K Ne S, En, L-P A. fraterculus A. fraterculus Utetes (Bracanastrepha) 1°, K Ne S, En, L-P A. schultzi anastrephae (Viereck) C. capitata 4 Figitidae A. fraterculus Aganaspis pelleranoi (Brèthes) 1°, K Ne S, En, L-P A. schultzi C. capitata Dicerataspis grenadensis 1°, K Ne S, En, L-P A. fraterculus 4 Ashmead Lopheucoila anastrephae 1°, K Ne S, En, L-P A. fraterculus 4 (Rohwer) Rhoptromeris haywardi A. fraterculus 4 1°, K Ne S, En, L-P (Blanchard) C. capitata 4 Diapriidae Coptera haywardi Loiácono 1°, I Ne S, En, P A. fraterculus (Ogloblin i.l.) Tricopria anastrephae A. fraterculus 1°, I Ne S, En, P Costa Lima C. capitata 4 Eulophidae Aceratoneuromyia indica A. fraterculus 1°, K In G, En, L-P (Silvestri) C. capitata Pteromalidae Pachycrepoideus vindemmiae A. fraterculus 1°- 2°, I Co G, Ec, P (Rondani) C. capitata A. fraterculus Pachyneuron sp. 1°- 2°, I ? ?, ?, P
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