Development of Coreus marginatus (Heteroptera: Coreidae) fed on seeds of Rumex obtusifolius.

HRUŠKOVÁ, Martina and Alois HONĚK. Development of Coreus marginatus (Heteroptera: Coreidae) fed on seeds of Rumex obtusifolius. Acta Soc. Zool. Bohem. Praha: Česká zoologická společnost, 2001, vol. 65, p. 189-195. ISSN 1211-376X.

Basic information

Original name

Development of Coreus marginatus (Heteroptera: Coreidae) fed on seeds of Rumex obtusifolius.

Name in Czech

Vývoj Coreus marginatus (L.) (Heteroptera: Coreidae) na semenech Rumex obtusifolius L.

Authors

HRUŠKOVÁ, Martina and Alois HONĚK

Edition

Acta Soc. Zool. Bohem. Praha, Česká zoologická společnost, 2001, 1211-376X

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Other information

Type of outcome

Článek v odborném periodiku

Confidentiality degree

není předmětem státního či obchodního tajemství

Keywords in English

temperature; development; egg; larva; Coreus; Heteroptera; Rumex; seed

Tags

Coreus, development, egg, Heteroptera, larva, Rumex, seed, Temperature

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Abstract

V originále

Abstract. The length of the egg and larval development of Coreus marginatus (Linnaeus, 1758) was investigated at constant temperatures of 19.2 oC, 21.0 oC, 25.0 oC and 27.8 oC. For egg development, the lower developmental threshold (LDT) temperature was estimated to be 12.9 oC and sum of effective temperatures (SET) 142.9 day degrees (dd). The larvae were fed seeds of Rumex obtusifolius L. The mortality increased with decreasing temperature. Using data for the first three larval instars, where mortality was low, LDT was calculated to be 13.9 oC. No larvae completed development at 19.2 oC and few at 21.0 oC and 25.0 oC. At 27.8 oC 75 % of the larvae completed their larval development. Using the data on developmental length at this temperature the SET for larval development was estimated to be 556 dd and SET for complete pre-imaginal development (egg + larva) 742 dd. The long developmental time and high larval mortality indicated that a diet consisting only of R. obtusifolius seeds was unsuitable for the development of Coreus marginatus.

In Czech

Byla zkoumána délka vývoje Coreus marginatus L. v laboratorních chovech za konstatních teplot 19,2 C, 21,0 C, 25,0 C a 27,8 C. Pro vývoj vajíček byl stanoven spodní práh vývoje (LDT) na 12,9 C a suma efektivních teplot (SET) na 149,2 denních stupňů (dd). Larvy měly k dispozici jako jediný zdroj potravy semena šťovíku Rumex obtusifolius L....

In English

Abstract. The length of the egg and larval development of Coreus marginatus (Linnaeus, 1758) was investigated at constant temperatures of 19.2 oC, 21.0 oC, 25.0 oC and 27.8 oC. For egg development, the lower developmental threshold (LDT) temperature was estimated to be 12.9 oC and sum of effective temperatures (SET) 142.9 day degrees (dd). The larvae were fed seeds of Rumex obtusifolius L. The mortality increased with decreasing temperature. Using data for the first three larval instars, where mortality was low, LDT was calculated to be 13.9 oC. No larvae completed development at 19.2 oC and few at 21.0 oC and 25.0 oC. At 27.8 oC 75 % of the larvae completed their larval development. Using the data on developmental length at this temperature the SET for larval development was estimated to be 556 dd and SET for complete pre-imaginal development (egg + larva) 742 dd. The long developmental time and high larval mortality indicated that a diet consisting only of R. obtusifolius seeds was unsuitable for the development of Coreus marginatus.