Ultra structural study on different sensory structure and some associated body parts of mango mealy bug, Drosicha mangiferae (G.) by scanning electron microscopy

Acta Fytotechnica et Zootechnica

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Title Ultra structural study on different sensory structure and some associated body parts of mango mealy bug, Drosicha mangiferae (G.) by scanning electron microscopy
Creator Nandi, Partha Sarathi
Ckakraborty, Kaushik
Description Article Details: Received: 2020-02-05 | Accepted: 2020-08-04 | Available online: 2021-03-31https://doi.org/10.15414/afz.2021.24.01.78-86Observation on the ultra- structure of both mouth parts and sensory apparatus of mango mealy bug, Drosicha mangiferae (Stebbing, 1903) (Hemiptera: Coccoidea) was carried out. Seven segments of different size in each antenna have been identified in D.mangiferae in the present observation. Out of the all segments, the terminal segment was the longest trailed by third and second flagellomere in downward order. Sensilla with flexible socket was noted in almost every body parts in the present observation. Abundant wax pores on the dorsal and ventral surface on the body surface of mealy bug secrete spiral wax filaments. Two types of wax pores namely trilocular and quinquelocular were observed. Leg consisted of basal coxa, trochanter, femur, tibia and tarsus which ended with curved claw and two claw digitules.Hair like sensilla trichoidea was mostly abundant in antenna and was of four subtypes. All of these function as mechanoreceptor or gustatory receptor. The labium of second instar nymphs of D.mangiferae had three segments with a median labial groove for housing stylet fascicle. Ten pairs of trichoid sensilla were found in the labium that also function  as mechanoreceptors. Long hair like sensilla chaetica with pointed tip (SCh) in five pairs was also observed. Apart from that different kind of mechanoreceptor sensilla with flexible sockets, sensilla were found having inflexible sockets and pores with probable olfactory function. Keywords: Drosicha mangiferae, antenna, sensilla, mechanoreceptor, labium, stylet fascicle, wax poresReferencesAhamad, A., Kaushik, S., Ramamurthy, V., Lakhanpaul, S., Ramani, R., Sharma, K.K. and Vidyarthi, A.S. (2012). 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Publisher Acta Fytotechnica et Zootechnica
Contributor no such agencies
Date 2021-04-01
Type info:eu-repo/semantics/article

Format application/pdf
Identifier http://www.acta.fapz.uniag.sk/journal/index.php/on_line/article/view/614
Source Acta Fytotechnica et Zootechnica; Vol 24, No 1 (2021)
Language eng
Relation http://www.acta.fapz.uniag.sk/journal/index.php/on_line/article/view/614/pdf
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