Redescription, biology and behaviour of a harpactorine assassin bug Vesbius sanguinosus Stal (Insecta, Hemiptera, Reduviidae)

• Autorzy: Das S. S. , Ambrose D. P.
• Języki publikacji: EN

Abstrakty

EN

Redescription of adult Vesbius sanguinosus STÅL is given. V. sanguinosus laid eggs with sanguineous chorion. A female on an average laid 49.8 ± 3.1 eggs in 9.7 ± 0.65 clusters with 2.8 ± 0.19 to 7.2 ± 0.51 eggs per cluster. The eggs hatched after 7.8 ± 0.51 days. The stadial period of I, II, III, IV and V (to male and female) nymphal instars were 6.2 ± 0.52, 6.8 ± 0.6, 7.2 ± 0.36, 6.1 ± 0.38, 6.6 ± 0.52 and 7.5 ± 0.58 days respectively. Morphometry and illustration of life stages are given with a key to identify the nymphal stages. The sex ratio of male and female was 0.93 : 1. The preoviposition, oviposition and postoviposition periods were 8.6 ± 0.52, 57.51 ± 3.2 and 2.3 ± 0.14 days respectively. The adult males and females lived for 61.2 ± 3.6 and 68.1 ± 4.6 days. Sequential acts of predatory behaviour such as arousal, approach, capturing, paralysing, sucking and postpredatory behaviour were observed. The sequential acts of mating behaviour were arousal, approach, nuptial clasp including riding over, genitalia extension and connection achievement and postcopulatory behaviour.

• Wydawca: -
• Czasopismo: Polish Journal of Entomology
• Rocznik: 2008
• Tom: 77
• Numer: 1
• Opis fizyczny: p.11-29,fig.,ref.

Twórcy

autor

Das S. S.

• Department of Zoology, Scott Christian College, Nagercoil - 629 00, Tamil Nadu, India

autor

Ambrose D. P.

Bibliografia

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