Infraorder: Pentatomomorpha. Superfamily: Pentatomoidea. Family: Scutelleridae . Subfamily: Eurygastrinae. Genus: Eurygaster. Subject: Eurygaster integriceps. PDF | On Jul 1, , Melinda Moir and others published Sunn pest, Eurygaster integriceps (Puton, ) (Hemiptera: Scutelleridae) Pest Risk. Sunn Pest, Eurygaster integriceps Puton (Hemiptera: Scutelleridae), is the most serious pest of wheat in West and Central Asia. Following.
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Rainfall patterns during the two years were inferred to affect phenological synchrony of the pest with its host plant. Guidelines Upcoming Special Issues.
Eurygaster integriceps Puton; a. Radjabi emphasized that fecundity decreases after January due to intericeps decline in fat reserves. Scutelleridaeto various entomopathogenic nematodes Rhabditida: This species differs from all the other similar species through its body dimension, grooves delimiting the clypeus which are parallel extended singly up to margin, and the prothorax prontotum shape especially the shape of both lateral side of the prothorax which is clearly curved in compared integricepx all the other similar species of the genus Eurygasteranother important distinguished character for this species is its male integricepz as its shown in Figures 10c and 10d.
In Russian Puchkov V.
Pests of grain crops. The post-diapause adult life of females can be divided into three components, the preoviposition, oviposition, and post-oviposition periods.
Studying the role of naturally occurring Telenomines. Odoriferous structure Ostiole ; Prc: However, pest populations frequently remain low enough so that spraying is unnecessary.
AgroAtlas – Pests – Eurygaster integriceps Puton – Sunn pest, corn bug.
After fattening, the bugs fly away and overwinter in plantations of trees; it is more rare that they overwinter among high weed vegetation along ditches, idle lands, and fields. Bugs were fed on wheat kernels cultivar Mahdavi, a commonly cultivated variety in Varamin. Despite a long history of the pest in Iran, there are few studies, if any, on the effects of environmental factors on its demography. The tops of dishes were covered with a cloth net, and the bottoms were pressed into soil in a pot with a similar internal diameter.
The lower thermal threshold for reproductive development was estimated to be Thorax with pronotum dorsally shield like, quite broader than long, about 3.
Tehran University Publications; However, they have been considered as a subfamily of the Pentatomidae, and eventually returned to family status [ 1213 lntegriceps, whereas others have regarded it as a subfamily Scutellerinae under Pentatomidae [ 14 ] and separated them by U-shaped and very wide Scutellum which covering almost of abdomen and the sides of scutellum curved mesad at extreme base.
Entomopathogenic fungi of Eurygaster integriceps Puton Hemiptera: A study published in identified several entomopathogenic nematodes that showed promise as biocontrol agents. Male abdomen Dorsal view ; b.
However, despite the obvious effect of temperature on factors affecting population growth rate, no study has yet quantified its effects on mortality, natality, and developmental rate of the pest. In the Midgut, four anatomical regions could be identified: The adult bug undergoes seasonable adult diapause in the winter after migrating to mountain sites. eurygwster
University of Tehran; Karaj, Iran: Scutellum big, wide, chitinous, covering wings and whole abdomen, rounded at apex, rarer straight. The family Scutelleridae belongs to Pentatomoidea, and is comprised of about 80 genera and described species [ 6 ]. The length and proportion of the labial palp regarded as one of the diagnostic characters in which the 2 nd segment of the labial palp is the longest, and the 3 rd and 4 th segment are sub equal, a constriction present near the proximal end of the 3 rd segment, the first two segments are pale brown colored and the last two segments are dark brown.
Journal of Entomological Society of Iran Scutelleridae considering age specific fecundity. Age specific mortality and temperature dependent development of immature stages of sunn-pest, Eurygaster integriceps Inegriceps. Some work has addressed the effect of different wheat cultivars on biological parameters like fecundity Zomorrodi ; Abdollahy b ; Karimi ; Rezabeygi et al.
In this study, four constant temperatures were used to examine the effects eurygaeter fecundity, developmental time, and survival. All events were recorded daily throughout the experiment until the last individual died. Open in a separate window. Applied Entomology and Phytopathology. Eurygaster integriceps is a species of shield bug in the family Scutelleridaecommonly known as the sunn pest or corn bug.