The lesser grain borer Rhyzopertha dominica (Coleoptera: Bostrichidae) is a serious pest of stored products throughout the tropics and temperate countries, either because of its ability for prolonged flight or as a result of the international trade in food products. dominica and proposed the potential functions of them in detection of ecologically relevant stimuli. We summarized the validated structures of different types of sensilla on antennae and palpi of R. Only one big sensillum digitiformium was found on the lateral side of the distal segment of the maxillary palp. The sensilla of maxillary and labial palpi were long and short s. Galea of maxilla was two segments, the distal one ended with a brush like organ composed of a dense field of long s. dominica were adapted for chewing maxillary and labial palpi consisted of four and five segments, respectively. Sensilla trichodea and basiconica were the most abundant sensilla types in the club flagellomeres. styloconica, in addition of Böhm's sensilla (Bs). On antennae, six types of sensilla were identified, s.

In this study, the fine morphology of antennae, maxillary and labial palpi as well as the typology, morphology and distribution of associated sensilla were comprehensively examined by scanning electron microscopy. The lesser grain borer Rhyzopertha dominica (F.) (Coleoptera: Bostrichidae) is a cosmopolitan insect pest of stored cereal grains.

Coccinella septempunctata ventral