scholarly journals Evaluate the Releasing Second Larval Instar of Coccinella undecimpunctata L. and Chrysoperla carnea (Stephens) as Biological Control Agent against Icerya purchasi Maskell (Hemiptera: Monophlebidae)

2021 ◽  
Vol 12 (2) ◽  
pp. 107-110
Author(s):  
Sanaa Ebd El-Mageed ◽  
Samah Helmy ◽  
H. Haris
Keyword(s):  
Biological Control ◽  
Biological Control Agent ◽  
Larval Instar ◽  
Control Agent ◽  
Chrysoperla Carnea ◽  
Coccinella Undecimpunctata ◽  
Icerya Purchasi

scholarly journals Land-Use Effect on Olive Groves Pest Prays oleae and on Its Potential Biocontrol Agent Chrysoperla carnea

Insects ◽  
2021 ◽  
Vol 12 (1) ◽  
pp. 46
Author(s):  
João Frederico Alves ◽  
Sara Mendes ◽  
António Alves da Silva ◽  
José Paulo Sousa ◽  
Daniel Paredes
Keyword(s):  
Biological Control ◽  
Land Use ◽  
Biological Control Agent ◽  
Control Agent ◽  
Agricultural Landscapes ◽  
Chrysoperla Carnea ◽  
Land Uses ◽  
Prays Oleae ◽  
Potential Biocontrol Agent ◽  
Olive Groves

Olive growing has been intensified through the simplification of agricultural landscapes. In order to rethink the environmental drawbacks of these practices, conservation biological control techniques have been examined. In this work, Prays oleae and its natural enemy Chrysoperla carnea were monitored to account for the effects of the amount and diversity of different land-uses. We found that C. carnea showed an attraction to areas with high abundances of P. oleae but this predator did not display any affection by the different land-uses. Inversely, P. oleae abundance was lower in diverse landscapes and higher in simplified ones. Importantly, higher abundances of C. carnea were related to lower infestation levels of P. oleae in the late part of the season. These results corroborate the attraction of C. carnea to the olive moth, highlighting the potential of C. carnea as a biological control agent of this pest, assert that the promotion of land-use diversity can reduce P. oleae and confirm that landscapes dominated by olive groves can promote this pest. The present study aims at contributing to the discussion about the management of agricultural ecosystems by providing farmers with sustainable alternatives that do not have harmful effects on the environment and public health.

scholarly journals Bioecology of Nephopterygia austeritella (Lep.: Pyralidae), a potential biological control agent of Prosopis farcta (Fabaceae) in central Iran

2016 ◽  
Vol 9 (2) ◽  
pp. 78-88 ◽  
Author(s):  
A. Mohammadi-Khoramabadi ◽  
H. Alipanah ◽  
S. Belokobylskij ◽  
M.R. Nematollahi
Keyword(s):  
Biological Control ◽  
Biological Control Agent ◽  
Larval Instar ◽  
Morphological Characters ◽  
Reproductive Organs ◽  
Control Agent ◽  
Central Iran ◽  
Larval Feeding ◽  
Perennial Weed ◽  
Prosopis Farcta

Summary Prosopis farcta (Fabaceae) is a native and common perennial weed plant in Iran. In search of environmental-friendly control methods against P. farcta, we discovered the seed feeder moth Nephopterygia austeritella (Lepidoptera; Pyralidae) in central Iran and studied its bioecology for the first time from 2008 through 2009. Infestation pattern, larval feeding behaviour, developmental period, seasonal occurrence and the adverse impact of the moth on the reproductive organs of P. farcta were investigated. Diagnostic morphological characters of the fifth larval instar of N. austeritella are provided. Two gregarious ectoparasitoids were reared and identified as Apanteles subcamilla and Phanerotoma leucobasis (Hymenoptera: Braconidae). Mortality rates of the larvae were 3.03 and 13.44% in 2008 and 2009, respectively. Larvae destroyed 29.6-38.4% of the pods of their host plants. The potential of N. austeritella as an efficient biological control agent in IPM programs against P. farcta is discussed.

scholarly journals Descrição da larva de 3º ínstar e redescrição do adulto de Phaedon confinis Klug (Coleoptera: Chrysomelidae)

2015 ◽  
Vol 8 (2) ◽  
pp. 135-144
Author(s):  
Julianne Milléo ◽  
Felícia Pereira de Albuquerque ◽  
Jonathan Pena Castro ◽  
Luciano de Azevedo Moura
Keyword(s):  
Biological Control ◽  
Biological Control Agent ◽  
Larval Instar ◽  
Dorsal Surface ◽  
Ventral Surface ◽  
Instar Larva ◽  
Control Agent ◽  
Lateral Margins ◽  
Oval Body

Tendo em vista o potencial de Phaedon confinis Klug como biocontrolador de Senecio brasiliensis Less e a carência do conhecimento taxonômico das espécies de Phaedon registradas para o Brasil, o trabalho teve como objetivos descrever a larva de 3º instar, bem como acrescentar novos caracteres do adulto e ilustrações para o reconhecimento da espécie. As larvas de P. confinis são eruciformes, subcilíndricas, alongadas e ligeiramente convexas; superfície dorsal marrom-escura e ventral com regiões amareladas mais claras; quatro cerdas na fronte; seis estemas arranjados em três grupos; labro marrom, com quatro pares de cerdas; placa pronotal com dez cerdas; região pleural do protórax com tubérculo T; meso- e metatórax com tubérculos Dai e Dae aproximados, mas não fusionados, e tubérculos Es-Ss fusionados entre si e pela linha mediana; garras tarsais simples; abdômen com tubérculo Dae ausente e Dai presente e pouco pronunciado; tubérculos abdominais com duas cerdas em Dpi e Dpe. Adulto com corpo oval e convexo dorsalmente; pronoto e élitros glabros; coloração predominante azul violeta metálica; margens laterais do pronoto arredondadas, castanho-amareladas com mácula central azul-metálica; estrias elitrais com pontuações profundas e ordenadas em oito fileiras longitudinais; regiões castanho-amareladas na cabeça, protórax e pernas; cabeça com duas pequenas máculas pretas ovais, posteriores aos olhos na região do vértice.Description of the 3rd Instar Larva and Characters of Adult Phaedon confinis Klug (Coleoptera: Chrysomelidae)Abstract. In view of the potential of Phaedon confinis Klug as an biological control agent of the Senecio brasiliensis Less and the lack of taxonomic knowledge of the species Phaedon recorded for Brazil, this paper aimed to describe the 3rd larval instar, redescribe the adult, as well as add new characters and illustrations to acknowledgment of the specie. The P. confinis larvae are eruciform, subcylindrical, elongated and slightly convex; dorsal surface dark brown and ventral surface with yellowish lighter regions; four setae in the front; six stemmata arranged in three groups; brown labrum, with four pairs of setae, pronotal plate with ten setae; pleural region of prothorax with tubercle T; meso- and metathorax with tubercles Dai and Dae close, but not fused, and tubercles Es-Ss fused between themselves by midline; simple tarsal claws; abdomen with tubercle Dae absent and Dai present, little pronounced; abdominal tubercles with two setae in Dpi and Dpe. Adult has oval body and dorsally convex; pronotum and elytral glabrous; predominant colour blue metallic violet; lateral margins of pronotum rounded, yellowish brown with central macula metallic blue, elytral striae with deep punctuation and arranged in eight longitudinal rows; yellowish brown regions on the head, prothorax and legs; head with two small oval black maculae, posterior to the eyes in vertex region.

scholarly journals Study of Predatory Lady Beetles Fauna (Coleoptera, Coccinellidae) Associated with Pomegranate Orchards on Aphis punicae Passerini in the Najafabad Region (Isfahan Province), Iran

2016 ◽  
Vol 30 (1) ◽  
pp. 1
Author(s):  
Zahra Fattah-Almanan ◽  
Alireza Jalali-Zand ◽  
Bijan Hatami
Keyword(s):  
Biological Control ◽  
Biological Control Agent ◽  
Coccinella Septempunctata ◽  
Control Agent ◽  
Adalia Bipunctata ◽  
Male And Female ◽  
Plant Vigor ◽  
Isfahan Province ◽  
Coccinella Undecimpunctata ◽  
Lady Beetles

Lady beetles (Coleoptera: Coccinellidae) as a biological control agent are a group of beetles with a considerable diversity and adaptation in different habitats. Among aphids, <em>Aphis punicae</em> Passerini (Hemiptera: Aphididae) is one of the most important pests of pomegranate orchards in Iran. This pest reduces plant vigor, facilitate the growth of mold on leaves, and consequently influences crop quality and yield. Study on the fauna of predatory ladybugs associated with pomegranate orchards was conducted that were feeding on <em>Aphis punicae</em> in the Najafabad region (Isfahan province, Iran). Twelve species of 8 genera were collected Sampled specimens were identified according to their morphological, male and female genitalia characters using identification keys. The identified species were as follow: <em>Adalia bipunctata</em> (Linnaeus, 1758), <em>Coccinella septempunctata</em> Linnaeus, 1758, <em>Coccinella undecimpunctata</em> Linnaeus, 1758, <em>Exochomus undulates</em> Weise, 1878, <em>Hippodamia variegate</em> (Goeze, 1777), <em>Hippodamia tredecimpunctata</em><em> (</em>Linnaeus, 1758), <em>Oenopia conglobata</em> (Linnaeus, 1758), <em>Oenopia oncina</em> (Olivier, 1808), <em>Propylea quatuordecimpuctata</em> (Linnaeus, 1758), <em>Psyllobora vigintiduopunctata</em> (Linnaeus, 1758), <em>Scymnus syriacus</em> (Marseul, 1868), <em>Scymnus mongolicus </em>(Weise, 1890).

NOTE ON OVERWINTERING OF POLYNEMA PRATENSIPHAGUM (WALLEY) (HYMENOPTERA: MYMARIDAE) IN SOUTHWESTERN QUEBEC

1993 ◽  
Vol 125 (2) ◽  
pp. 407-408 ◽  
Author(s):  
K.M. Al-Ghamdi ◽  
R.K. Stewart ◽  
G. Boivin
Keyword(s):  
Biological Control ◽  
Biological Control Agent ◽  
Larval Instar ◽  
Control Agent ◽  
Egg Parasitoids ◽  
Lygus Lineolaris ◽  
Verbascum Thapsus ◽  
Anaphes Iole ◽  
Common Mullein

Polynema pratensiphagum (Walley) is an endoparasitoid of mind eggs (CIBC 1979). Walley (1929) found this species fully developed within the eggs of Lygus pratensis L. deposited in common mullein, Verbascum thapsus L., in Ontario. It has been reported from southwestern Quebec as one of the main egg parasitoids of Lygus lineolaris (Palisot de Beauvois) (Sohati et al. 1989). Andrew et al. (1992) have used another mymarid, Anaphes iole Girault, as a biological control agent against Lygus eggs in California strawberry. Little is known of the overwintering behaviour of mymarids because they are very small and difficult to find. No evidence exists in the literature of mymarids overwintering as adults, and we assume that mymarids overwinter as the last larval instar, or prepupa, in host eggs.

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