Applied Entomology and Phytopathology

Natural enemies of the Comstock mealybug, Pseudococcus comstocki (Hem.: Pseudococcidae) as an important pest of mulberries in Tabriz, Iran

N. JAFARI; H. LOTFALIZADEH; Y. KARIMPOUR; B. GHARALI

Volume 83, No. 2 , March 2016, , Pages 87-96

https://doi.org/10.22092/jaep.2016.106102

Abstract

The Comstock mealybug, Pseudococcus comstocki (Kuwana), is a polyphagous pest distributed in the world, as well as Iran. Several species of mulberries, Morus spp, are infested with ... Read More

Abundance of parasitoids associated with two major stink bugs on pistachio trees (short report)

Mohammad Reza Mehrnejad

Volume 81, No. 1 , September 2013, , Pages 83-84

https://doi.org/10.22092/jaep.2013.100470

Abstract

Several species of hemipteran bugs belonging to Pentatomidae were known as the major pistachio pests (1, 2, 3). They are suitable hosts for a number of parasitoid wasps, which play ... Read More Several species of hemipteran bugs belonging to Pentatomidae were known as the major pistachio pests (1, 2, 3). They are suitable hosts for a number of parasitoid wasps, which play a key role to decrease bugs population, although insecticides have been considered the major means of pest control for the last 65 years in pistachio orchards. The abundance and diversity of parasitoids attacking two stink bugs e.g., Brachynema germari (Kolenati) and Acrosternum arabicum Wagner were surveyed at the pistachio plantation areas of Kerman province, southern part of Iran. Samplings were carried out in July, August and September 2009 and 2010. The egg masses of two pentatomid bugs species were collected from pistachio fruit clusters and were separately reserved under laboratory conditions. At the same time, the adult stink bugs were also collected from pistachio trees. A total of 2660 pentatomid bug eggs were collected through two years out of which, four species of hymenopterous parasitoids were identified including three primary parasitoids belong to Scelionidae (62.7%) and 37.3% represented Ooencyrtus sp. (Hym.: Encyrtidae), a facultative parasitoid for stink bug eggs. The parasitoid Trissolcus agriope (Kozlov & Lê) was the most abundant scelionid (32.9%), followed by Trissolcus volgensis (Viktorov) (21.6%) and Psix saccharicola (Mani) (8.2%). The natural parasitism rate varied from year to year as 95% and 88% in 2009 and 2010, respectively. Based on available references, Acrosternum heegeri Fieber and Acrosternum millieri (Mulsant and Rey) (both Hemiptera: Pentatomidae) have been reported from pistachio trees (1, 3). However, these two stink bugs were not collected in the present survey. It was found that A. arabicum is widely distributed on pistachio trees in Kerman province feed on pistachio fruits, and it is reported for the first time. In addition, two scelionid wasps including T. volgensis and P. saccharicola are considered as the active parasitoids for B. germari and A. arabicum. It is the first report for presence of these two scelionid wasps attacking stink bugs in pistachio plantations. The scelionid parasitoids were examined and identified by Prof. N. F. Johnson, the Ohio State University, and the pentatomid bugs were identified by Dr R. E. Linnavuori, Finland.

Parasitoid wasps of Phyllocnistis citrella (Lep., Gracillariidae) in Iran

E. EBRAHIMI; M. R. MALEKZADEH; Z. YEFREMOVA

Volume 76, No. 2 , March 2009, , Pages 81-92

Abstract

The ‍‍Citrus Leafminer (CLM), Phyllocnistis citrella Stainton, is naturally known from most of citrus orchards in Iran. However it is not generally considered as a major pest. ... Read More

Biological study of Melanophila (= Trachypteris) picta (Col.: Buprestidae) in Karaj

Mehri Babmorad; Mansour Abaei; Satar Zinali

Volume 75, No. 2 , March 2008, , Pages 55-71

Abstract

Melanophila picta is one of the most important pests of poplar trees in Karaj. From 1993 to 1995, biology and natural enemies of the pest were studied with weekly samplings of poplar ... Read More

Applied Entomology and Phytopathology

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Keywords = Parasitoids

Natural enemies of the Comstock mealybug, Pseudococcus comstocki (Hem.: Pseudococcidae) as an important pest of mulberries in Tabriz, Iran

Abstract

Abundance of parasitoids associated with two major stink bugs on pistachio trees (short report)

Abstract

Parasitoid wasps of Phyllocnistis citrella (Lep., Gracillariidae) in Iran

Abstract

Biological study of Melanophila (= Trachypteris) picta (Col.: Buprestidae) in Karaj

Abstract