scholarly journals FRUGIVOROUS FLIES (Diptera: Tephritidae and Lonchaeidae) INTERACTIONS WITH PARASITOIDS AND NEW HOSTS

2021 ◽  
Vol 96 (2) ◽  
pp. 380-387
Author(s):  
Léo R. F. Louzeiro ◽  
Adalton Raga ◽  
Miguel F. de Souza-Filho ◽  
Laura J. Gisloti

Fruits of two cultivars of guava, Psidium guajava L., (‘Tailandesa’ and ‘Kumagai’) and garlic passion fruit, Passiflora tenuifila Killip were collected to evaluate the infestation and co-infestation of frugivorous flies and the associated parasitoids and new hosts. Five species of Tephritoidea were recovered in Tailandesa guavas, three species in Kumagai guavas and three species in garlic passion fruit. This is the first report of a frugivorous fly infesting P. tenuifila. Individualization of the fruit samples was used to determine the co-infestation between Anastrepha spp., Ceratitis capitata and Neosilba spp. in each fruit. There was a fly/parasitoid association for Doryctobracon areolatus and Lopheucoila anastrephae with Anastrepha fraterculus in guavas. Infestation indices and emergence rate demonstrated that Tailandesa and Kumagai guavas are hosts capable of withstanding an infestation index ≥ 50 pupae/fruit and have an emergence rate ≥ 75%. The ability of some hosts to maintain and sustain the population of frugivorous flies at high levels may interfere with pest management.

2012 ◽  
Vol 42 (1) ◽  
pp. 6-12 ◽  
Author(s):  
Adrise Medeiros Nunes ◽  
Fernanda Appel Müller ◽  
Rafael da Silva Gonçalves ◽  
Mauro Silveira Garcia ◽  
Valmir Antonio Costa ◽  
...  

As moscas frugívoras (Tephritoidea) são as principais pragas da fruticultura de clima temperado no Brasil. O objetivo do presente trabalho foi avaliar a infestação desses dípteros e a ocorrência de seus parasitoides em frutíferas nos municípios de Pelotas e Capão do Leão, localizados na região Sul, nas safras agrícolas de 2007/08 e 2008/09. Foram coletados frutos de araçazeiro-amarelo e vermelho (Psidium cattleianum Sabine, 1821), butiazeiro [Butia capitata (Mart.) Becc., 1916], caquizeiro (Diospyros kaki Linnaeus, 1753), cerejeira-do-mato (Eugenia involucrata DC., 1828), goiabeira [Psidium guajava (Linnaeus, 1753)], goiabeira-serrana [Acca sellowiana (Berg.) Burret, 1941], nespereira [Eriobotrya japonica (Thunb.) Lindley, 1822], pessegueiro [Prunus persicae (L.) Batsch, 1801], pitangueira (Eugenia uniflora Linnaeus,1753) e uvalheira (Eugenia pyriformis Cambessèdes, 1832). Os frutos foram coletados e transportados para o laboratório, onde foram individualizados e determinados os seguintes parâmetros: índice de infestação das moscas, índice de parasitismo e frequência de indivíduos por espécie de parasitoide. Foram constatadas duas espécies de Tephritidae, Anastrepha fraterculus (Wiedemann, 1830) (90,5%) e Ceratitis capitata (Wiedemann, 1824) (9,5%) e duas de Lonchaeidae, Neosilba zadolicha McAlpine & Steyskal, 1982 (87,8%) e uma espécie ainda não descrita, referida como Neosilba n. sp. 3 (12,2%). Anastrepha fraterculus é a espécie mais abundante nos dois municípios, sendo constatada na maioria das frutíferas coletadas. Caquizeiro e goiabeira foram os hospedeiros que apresentaram o maior índice de infestação por C. capitata. Quanto às espécies de Neosilba, a maior infestação ocorreu em frutos de goiabeira-serrana. Dos parasitoides emergidos, foram identificadas três espécies, sendo duas de Braconidae, Doryctobracon areolatus (Szépligeti, 1911) (52,6%) e Opius bellus (Gahan, 1930) (27,5%) e uma espécie de Figitidae, Aganaspis pelleranoi (Brèthes, 1924) (20,0%). Doryctobracon areolatus foi o parasitoide mais frequente na maioria das frutíferas amostradas, com exceção da pitangueira e cerejeira-do-mato em que predominou O. bellus, e em pessegueiro com predomínio de A. pelleranoi.


2019 ◽  
Vol 35 ◽  
pp. 1-21 ◽  
Author(s):  
Alvaro Manuel Ramos Peña ◽  
Erick Yábar Landa ◽  
Julio Cesar Ramos Peña

El objetivo del presente trabajo fue identificar las especies de moscas de la fruta, determinar su fluctuación poblacional y sus hospedantes en el Valle de Abancay, Apurímac. Se instalaron 14 trampas Multilure, con Buminal® al 4% como atrayente alimenticio, renovado semanalmente entre octubre del 2014 a septiembre del 2015. Los insectos capturados fueron colocados en frascos con alcohol al 70% y enviados al Laboratorio de Entomología C-333 de la UNSAAC para su posterior identificación. Se contabilizó tanto las hembras y machos, y la fluctuación poblacional se estableció con base en el índice de moscas/trampa/día (MTD) para especies de Anastrepha y Ceratitis capitata (Wiedemann). Estos datos se relacionaron con datos de temperatura, precipitación y disponibilidad de hospedantes. Se colectaron frutos una vez por mes de potenciales hospedantes de distintos campos de producción para recuperar tefrítidos adultos en cajas de maduración con sustrato de arena. Se colectaron un total de 21,974 individuos. Se identificaron diez especies: A. fraterculus (Wiedemann), A. distincta Greene, A. serpentina (Wiedemann), A. schultzi Blanchard, A. manihoti Lima, A. chiclayae Greene, Anastrepha sp. 1, A. pickeli Lima, A. atrox (Aldrich) y Ceratitis capitata (Wiedemann). Las especies con mayor población fueron A. fraterculus, A. distincta y C. capitata. Las mayores poblaciones se presentan en los meses de diciembre a mayo. La disponibilidad de hospedantes es el factor que mejor explica la fluctuación poblacional de Anastrepha fraterculus, A. distincta, A. manihoti y la población total de moscas de la fruta. Se identificaron un total de 16 especies hospedantes. Citrus x aurantium L. (Rutaceae), Annona cherimola Mill. (Annonaceae) y Psidium guajava L. (Myrtaceae) fueron los frutos con mayores índices de infestación con 125.7, 101.63 y 87.5 pupas.kg-1, respectivamente.


2003 ◽  
Vol 135 (6) ◽  
pp. 863-865 ◽  
Author(s):  
S.M. Ovruski ◽  
P. Schliserman

Anastrepha fraterculus (Wiedemann), the South American fruit fly, and Ceratitis capitata (Wiedemann), the Mediterranean fruit fly, are the only economically important Tephritidae species present in the citrus-growing areas in the province of Corrientes, northeastern Argentina. Both fruit fly species severely limit the export of fruit because of quarantine restrictions in importing countries. In this Argentinean region, C. capitata has been reported mostly infesting cultivated Citrus species such as C. sinensis L. (Osbeck) (Rutaceae) and C. paradisi Macfadyn (Rutaceae), whereas A. fraterculus has been found almost exclusively in wild guava (Psidium guajava L. (Myrtaceae)), a wild host plant (Turica and Mallo 1961).


Author(s):  
Walter Larriva ◽  
Fernando León

Las moscas de la fruta son plagas de gran importancia económica a nivel mundial por la pérdida que causan en cultivos frutales. El presente inventario de parasitoides asociados a la mosca de la fruta realizado en la microcuenca del río Magdalena (Bulán) y Algarrobo (Paute), fue ejecutado durante el período de fructificación de las especies hospederos de moscas consideradas dentro de este trabajo durante el período de mayo 2015 a marzo 2016. De un total de 489,54 Kg de fruta muestreada se recuperaron 1572 moscas de fruta adultas de las especies Anastrepha fraterculus (Wied.), Anastrepha distincta Greene, Anastrepha obliqua (Macquart) y Ceratitis capitata Wied. En el presente trabajo se verificó la presencia de una especie de parasitoide de la familia Braconidae, Doryctobracon crawfordi (Viereck), encontrándose al mismo distribuido en la zona de forma irregular. La tasa de parasitismo fue bajo siendo de 0,20% en Prunus pérsica L., 1,88% en Psidium guajava L. y 2,05 en Annona cherimolia Mill. La especie de mosca de la fruta predominante fue Anastrepha fraterculus (Wied.) (60,88%) la cual presenta una amplia distribución. Para la zona en estudio se obtuvo un índice de diversidad de Shannon - Weaver de 0,69.


Author(s):  
Patricia Daniela da Silva Pires ◽  
Josué Sant’ Ana ◽  
Luiza Rodrigues Redaelli

Abstract Anastrepha fraterculus (Diptera: Tephritidae) is a major barrier to fruit production and exportation. In Brazil, the native parasitoid Aganaspis pelleranoi (Hymenoptera: Figitidae) and the exotic parasitoid Diachasmimorpha longicaudata (Hymenoptera, Braconidae) stand out as biological control agents. Knowledge of the factors that affect interactions among parasitoids, A. fraterculus, and host fruits may enhance the use of these agents in biological control programmes. This study evaluated the chemotaxis and parasitism of A. pelleranoi and D. longicaudata females reared on A. fraterculus larvae and kept on an artificial diet, red guava (Psidium guajava) or apple (Malus domestica). Females of both parasitoid species that emerged from larvae raised on artificial diet, guava or apple, were tested to Y olfactometer choice tests. In the parasitism tests, both parasitoid species were made to choose between A. fraterculus larvae brushed with water, apple pulp or guava pulp. D. longicaudata females from artificial diet (control) did not distinguish between fruit odours; however, females of D. longicaudata from larvae kept in apple or guava directed to the odours of their original fruit. The greatest parasitism for D. longicaudata occurred in the units that contained the pulp in which the larvae grew. A. pelleranoi from artificial diet preferred guava odours, including the females kept in apple. Similar results were observed in the parasitism bioassays. Our results found that A. fraterculus larval feeding influenced search behaviour and parasitism of D. longicaudata, whereas A. pelleranoi rearing experience did not affect its host choices.


Plant Disease ◽  
2021 ◽  
Vol 105 (1) ◽  
pp. 220
Author(s):  
S. I. Ismail ◽  
K. Ahmad Dahlan ◽  
S. Abdullah ◽  
D. Zulperi

Plant Disease ◽  
2013 ◽  
Vol 97 (12) ◽  
pp. 1657-1657 ◽  
Author(s):  
J. H. Wang ◽  
Z. H. Feng ◽  
Z. Han ◽  
S. Q. Song ◽  
S. H. Lin ◽  
...  

Pepper (Capsicum annuum L.) is an important vegetable crop worldwide. Some Fusarium species can cause pepper fruit rot, leading to significant yield losses of pepper production and, for some Fusarium species, potential risk of mycotoxin contamination. A total of 106 diseased pepper fruit samples were collected from various pepper cultivars from seven provinces (Gansu, Hainan, Heilongjiang, Hunan, Shandong, Shanghai, and Zhejiang) in China during the 2012 growing season, where pepper production occurs on approximately 25,000 ha. Pepper fruit rot symptom incidence ranged from 5 to 20% in individual fields. Symptomatic fruit tissue was surface-sterilized in 0.1% HgCl2 for 1 min, dipped in 70% ethanol for 30 s, then rinsed in sterilized distilled water three times, dried, and plated in 90 mm diameter petri dishes containing potato dextrose agar (PDA). After incubation for 5 days at 28°C in the dark, putative Fusarium colonies were purified by single-sporing. Forty-three Fusarium strains were isolated and identified to species as described previously (1,2). Morphological characteristics of one strain were identical to those of F. concentricum. Aerial mycelium was reddish-white with an average growth rate of 4.2 to 4.3 mm/day at 25°C in the dark on PDA. Pigments in the agar were formed in alternating red and orange concentric rings. Microconidia were 0- to 1-septate, mostly 0-septate, and oval, obovoid to allantoid. Macroconidia were relatively slender with no significant curvature, 3- to 5-septate, with a beaked apical cell and a foot-shaped basal cell. To confirm the species identity, the partial TEF gene sequence (646 bp) was amplified and sequenced (GenBank Accession No. KC816735). A BLASTn search with TEF gene sequences in NCBI and the Fusarium ID databases revealed 99.7 and 100% sequence identity, respectively, to known TEF sequences of F. concentricum. Thus, both morphological and molecular criteria supported identification of the strain as F. concentricum. This strain was deposited as Accession MUCL 54697 (http://bccm.belspo.be/about/mucl.php). Pathogenicity of the strain was confirmed by inoculating 10 wounded, mature pepper fruits that had been harvested 70 days after planting the cultivar Zhongjiao-5 with a conidial suspension (1 × 106 spores/ml), as described previously (3). A control treatment consisted of inoculating 10 pepper fruits of the same cultivar with sterilized distilled water. The fruit were incubated at 25°C in a moist chamber, and the experiment was repeated independently in triplicate. Initially, green to dark brown lesions were observed on the outer surface of inoculated fruit. Typical soft-rot symptoms and lesions were observed on the inner wall when the fruit were cut open 10 days post-inoculation. Some infected seeds in the fruits were grayish-black and covered by mycelium, similar to the original fruit symptoms observed at the sampling sites. The control fruit remained healthy after 10 days of incubation. The same fungus was isolated from the inoculated infected fruit using the method described above, but no fungal growth was observed from the control fruit. To our knowledge, this is the first report of F. concentricum causing a pepper fruit rot. References: (1) J. F. Leslie and B. A. Summerell. The Fusarium Laboratory Manual. Blackwell Publishing, Ames, IA, 2006. (2) K. O'Donnell et al. Proc. Nat. Acad. Sci. USA 95:2044, 1998. (3) Y. Yang et al. 2011. Int. J. Food Microbiol. 151:150, 2011.


2017 ◽  
Vol 18 (1) ◽  
pp. 17-18 ◽  
Author(s):  
Consuelo Estévez de Jensen ◽  
Ismael E. Badillo-Vargas ◽  
Galen Frantz ◽  
H. Charles Mellinger ◽  
William W. Turechek ◽  
...  

Tomato chlorotic spot virus (TCSV) has recently been detected in tomato, bell pepper, jimsonweed, and lettuce in Puerto Rico. Observations of weeds and additional crops in 2015 and 2016 revealed TCSV-like symptoms. Testing of these symptomatic plants identified three new hosts of TCSV in Puerto Rico: erect spiderling (Boerhavia erecta); Asian spiderflower (Cleome viscosa); and sweet chili pepper (Capsicum chinense).


Bragantia ◽  
2008 ◽  
Vol 67 (2) ◽  
pp. 401-411 ◽  
Author(s):  
Ricardo Falcão de Sá ◽  
Maria Aparecida Castellani ◽  
Antonio Souza do Nascimento ◽  
Maria Heloisa da Silva Teixeira Brandão ◽  
Aline Novais da Silva ◽  
...  

As moscas-das-frutas (Diptera: Tephritidae) são os principais entraves às exportações de manga nos pólos de fruticultura da Região Sudoeste da Bahia. O presente trabalho teve como objetivo estudar índices de infestação e a diversidade de moscas-das-frutas no pólo de fruticultura de Anagé, BA, visando obter subsídios para o manejo integrado dessas pragas na mangueira, na região. Os estudos foram realizados em 2004 e 2005, nos municípios de Anagé, Belo Campo e Caraíbas, BA, procedendo-se à coleta de frutos de 21 espécies vegetais, nativas e exóticas, e identificação das espécies de moscas associadas. Estimaram-se os índices de infestação em pupários/kg de fruto e pupários/fruto. Os maiores índices de infestação, em pupários/kg de fruto, ocorreram em serigüela (Spondias purpurea L.) com 61,3, juá (Ziziphus joazeiro L.), 38,3 e umbu (Spondias tuberosa L.), 33,1, considerados hospedeiros primários de Anastrepha fraterculus (Wiedemann) e A. obliqua (Macquart). As maiores infestações em pupários/fruto ocorreram em serigüela (0,9); umbu (0,7) e cajarana (Spondias sp.) (0,2). Com base no monitoramento larval, registra-se, para as condições do pólo de fruticultura de Anagé, a ocorrência das espécies Anastrepha fraterculus, A. obliqua, A. dissimilis, A. amita, A. distincta, A. sororcula, A. zenildae e Ceratitis capitata. Registram-se, pela primeira vez, as seguintes associações bitróficas: juá com A. fraterculus, A. obliqua, A. dissimilis e A. distincta; e umbu com A. amita e A. sororcula.


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