BIO Web Conf.
Volume 21, 2020XI International Scientific and Practical Conference “Biological Plant Protection is the Basis of Agroecosystems Stabilization”
|Number of page(s)||8|
|Published online||22 June 2020|
Some results of breeding a predatory stink bug of Perillus bioculatus F. (Hemiptera, Pentatomidae) in the Republic of Moldova
1 Institute of Zoology, Republic of Moldova, Chisinau
2 All-Russian Research Institute of Biological Plant Protection, Russia, Krasnodar-39, 350039
* Corresponding author: email@example.com
The impact of insect artificial diet on the egg production of females was examined for L29 consequently generations of laboratory populations Perillus bioculatus (F.) (Hemiptera: Pentatomidae, Asopinae). Particular attention is paid to the overwintered generation, which plays a key role in the rehabilitation of the predator populations after hibernation. It was shown that with an increase in the number of laboratory generations of a predator (from L13 to L29), egg production of P. bioculatus females significantly decreases – from 16.4-35.7 to 15.0-27.5 eggs / female in terms of the total number of females in the laboratory populations. The proportion of eggs laid by females of winter generation was the lowest when feeding on Galleria mellonella larvae. Was established food preferences among the assortment of native for Republic of Moldova leaf beetles: Entomoscelis adonidis Pallas 1771, Chrysolina herbacea (Duftschmid, 1825) and C. coerulans (Scriba, 1791). P. bioculatus imago overwintered generation refused to feed on E. suturalis larvae and imago, probably because of the isoquinoline alkalods contained in the hemolymph of the leaf beetle. Studies have shown that supplementary feeding with imago of E. adonidis, C. herbacea and C. coerulans increases from 8.3±0.5/50 till 11.2±0.7/104 per day / total egg production of P. bioculatus females of the overwintered generation.
© The Authors, published by EDP Sciences, 2020
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