The influence of the grain species on the development of R. dominica was significant. A dose-mortality assay estimated that phosphine fumigation over 48 hours using 730-870 ppm at 25° C would control adults of both strongly resistant R. dominica populations. Lesser grain borer Rhyzopertha dominica (F.) is one of the serious pests of stored cereals to legumes (Aslam et al., 1994). 0000018255 00000 n Fumigant bioassay revealed that nano-formulated essential oil was more toxic than L. citriodora pure one. Lesser Grain Borer, Rhyzopertha dominica (Coleoptera, Bostrichidae) 1. Cellulolytic bacteria presence in the digestive system of Prostephanus truncatus (Horn) (Coleoptera: Bostrichidae). O parasita A. lacunatus, quando associado a temperaturas da massa de grãos mais baixas, apresentou sua eficácia potencializada. If cues are perceived early in the life cycle they may permit the evolution of specialized developmental morphs which exhibit contrasting migrant and nonmigrant phenotypes. A summary of its flight behavior, including the factors governing flight initiation and temporal and seasonal flight activity were reviewed. ... R. dominica (lesser grain borer) and T. castaneum (red flour beetle) are among the cosmopolitan serious pests of stored-products such as cereal and legume grains, dried fruits, spices, flours, leather, and even packaging materials made from wood and paper. and Choetospila elegans (Westw.) endobj 0000061274 00000 n H���yTSw�oɞ����c [���5la�QIBH�ADED���2�mtFOE�.�c��}���0��8�׎�8G�Ng�����9�w���߽��� �'����0 �֠�J��b� Probit analysis indicated that R. dominica with low LC50 values (Lethal Concentration to kill 50 % of tested insects) was more susceptible than T. castaneum . Control of Rhyzopertha dominica in stored rough rice through a combination of diatomaceous earth and varietal resistance Abstract Adults of Rhyzopertha dominica (F.), the lesser grain borer, were exposed on four varieties of rough rice with Dobie indices of susceptibility of 1.1 to 1.1 (low), and four varieties with Dobie indices of susceptibility of 3.4 to 3.8 (high). Finally, for S. oryzae and P. truncatus progeny production was notably suppressed by cypermethrin. Maize traits comprised endosperm starch composition, and accumulation of pigments, i.e., carotenoids and anthocyanins, in the aleurone, while maize genotypes included the B73 reference line, the high oil content RAlexo line and the commercial variety Zea mays everta (popcorn). The lesser grain borer, Rhyzopertha dominica (Fabricius, 1792) (Coleoptera: Bostrichidae) is a primary pest of stored wheat. BACKGROUND Natural infestations of Sitophilus granarius and Cryptolestes ferrugineus were also present. Captured R. dominica were similarly female-biased in all trap designs, and the proportion of females to males did not differ among trap heights or habitats in which they were trapped. ��w�G� xR^���[�oƜch�g�`>b���$���*~� �:����E���b��~���,m,�-��ݖ,�Y��¬�*�6X�[ݱF�=�3�뭷Y��~dó ���t���i�z�f�6�~`{�v���.�Ng����#{�}�}��������j������c1X6���fm���;'_9 �r�:�8�q�:��˜�O:ϸ8������u��Jq���nv=���M����m����R 4 � 0 Due to its negative impact on the yield and quality of stored grains, the aim of this research was to study the influence of Rhyzopertha dominica F. on rheological properties of wheat flour obtained from grains infested by examined pest. session so others can sign in. Paired females in particular exhibited significantly greater daily net displacements and more random space use than solitary females. Sample temperature of 54 °C for holding 11 min resulted in 100% mortality. In general, R. dominica prevailed on wheat, while P. truncatus in maize. In the current study, we used quantitative gas chromatographic techniques to examine the effect of temporary starvation and beetle density on pheromone dynamics in the insect. Xylion adustus (Fahraeus) (Bostrichidae) accounted for 24.73% in KU, while Sinoxylon ruficorne Fahraeus (Bostrichidae) accounted for 24.83% in Mitaboni.

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