Characterization of the internal reproductive organs and their state as diapause indicator in Phytalus sanctipauli Blanchard, 1850 (Coleoptera, Scarabaeidae)

Author:

DIEFENBACH LÚCIA M. GUEDES1,REDAELLI LUIZA RODRIGUES1,GASSEN DIRCEU NERI2

Affiliation:

1. UFRGS, Brazil

2. EMBRAPA, Brazil

Abstract

The internal reproductive organs of females and males of Phytalus sanctipauli are described and illustrated. The amount of fat body in the abdominal cavity was assessed. The remaining in the soil, from March to September, of sexually immature females and males bearing the abdominal cavity totally filled with fat body characterized the state of diapause in this species, in Coxilha (52°20'W and 28°05'S), RS, Brazil.

Publisher

FapUNIFESP (SciELO)

Subject

General Medicine

Reference18 articles.

1. Biology of the striped chafer, Odontria striata (Coleoptera: Scarabaeidae) I.The adult, flight and ground surface activity, female reproductive maturation, and foodplant selection;BARRATT B. L. P.;N. Z. J. Zool.,1982

2. Insect photoperiodism;BECK S. D.,1980

3. Comparative anatomy and histology of selected systems in larval and adult Phyllophaga anxia (Coleoptera: Scarabaeidae);BERBERET R. C.;Ann. Entomol. Soc. Am.,1972

4. The insects: structure and function;CHAPMAN R. F.,1985

5. The biology of Coleoptera;CROWSON R. A.,1981

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