Rhinosinusal myiasis by Oestrus ovis third stage larva

2020 ◽  
Vol 155 (12) ◽  
pp. 566-567
Author(s):  
Laura Díez-González ◽  
María Poncela-Blanco ◽  
Miguel Mayo-Yáñez
Keyword(s):  
Stage Larva ◽  
Oestrus Ovis ◽  
Third Stage

Rhinosinusal myiasis by Oestrus ovis third stage larva

2020 ◽  
Vol 155 (12) ◽  
pp. 566-567
Author(s):  
Laura Díez-González ◽  
María Poncela-Blanco ◽  
Miguel Mayo-Yáñez
Keyword(s):  
Stage Larva ◽  
Oestrus Ovis ◽  
Third Stage

Studies on the life-history of Bunostomum phlebotomum (Railliet, 1900), a hookworm parasite of cattle

Parasitology ◽  
1946 ◽  
Vol 37 (3-4) ◽  
pp. 192-201 ◽  
Author(s):  
J. F. A. Sprent
Keyword(s):  
Infective Larva ◽  
Stage Larva ◽  
Fourth Stage ◽  
Larval Stages ◽  
The Third ◽  
Third Stage ◽  
History Of ◽  
Time Required ◽  
Cutaneous Blood ◽  
Fourth Stage Larva

A description is given of the processes of copulation, formation of the egg and spermatozoon, cleavage, embryogeny and hatching in B. phlebotomum. These processes were found to be essentially similar to those in other strongyle nematodes.The anatomy of the first three larval stages is described and the observations of Conradi & Barnette (1908) and Schwartz (1924) were largely confirmed.Penetration of the skin of calves by the infective larva was observed histologically. The larvae were found to have reached the dermis within 30 min. and to have penetrated the cutaneous blood vessels within 60 min. of application to the skin. The larvae were found in the lung where the third ecdysis was in progress 10 days after penetration of the skin. A description is given of the growth of the third-stage larva in the lung, the changes which take place during the third ecdysis, and the anatomy of the fourth-stage larva.The fourth-stage larvae exsheath in the lungs and travel to the intestine. After a period of growth in which sexual differentiation takes place, the fourth ecdysis occurs and the adult parasite emerges. The time required for the attainment of maturity was found to be somewhere between 30 and 56 days after penetration of the skin.This paper was written at the Ministry of Agriculture and Fisheries Veterinary Laboratories, Wey-bridge, and the writer would like to express his gratitude to the Director, Prof. T. Dalling, also to Dr W. R. Wooldridge, chairman of the Council of the Veterinary Educational Trust for their help and encouragement. The writer's thanks are also due to Dr H. A. Baylis, Prof. R. T. Leiper and Dr E. L. Taylor for their advice and help on technical points, and to Mr R. A. O. Shonekan, African laboratory assistant, for his able co-operation.

New information about the third stage larva and larval habitat of Microdon (Chymophila) bruchi Shannon, 1927 (Diptera, Syrphidae) from Argentina

2019 ◽  
Vol 53 (45-46) ◽  
pp. 2833-2853
Author(s):  
Guillermo P. López-García ◽  
Menno Reemer ◽  
Guillermo Debandi ◽  
Ximo Mengual
Keyword(s):  
Larval Habitat ◽  
Stage Larva ◽  
The Third ◽  
New Information ◽  
Third Stage

Short Report: One Case of Nasal Human Myiasis Caused by Third Stage Instar Larvae of Oestrus ovis

1997 ◽  
Vol 56 (6) ◽  
pp. 608-609 ◽  
Author(s):  
Javier Lucientes ◽  
Hector Valles ◽  
Monserrat Ferrer-Dufol ◽  
Juan A. Castillo ◽  
Antonio Clavel ◽  
...  
Keyword(s):  
Short Report ◽  
Oestrus Ovis ◽  
Third Stage

Third-stage larva shifts host fish from teleost to elasmobranch in the temporary parasitic isopod, Gnathia trimaculata (Crustacea; Gnathiidae)

2012 ◽  
Vol 159 (10) ◽  
pp. 2333-2347 ◽  
Author(s):  
Yuzo Ota ◽  
Osamu Hoshino ◽  
Mamiko Hirose ◽  
Katsuhiko Tanaka ◽  
Euichi Hirose
Keyword(s):  
Stage Larva ◽  
Host Fish ◽  
Third Stage ◽  
Parasitic Isopod

Description of the larva of Chalcosoma atlas (L.) (Coleoptera, Scarabaeidae, Dynastinae) from Malaysia

1976 ◽  
Vol 66 (2) ◽  
pp. 189-193 ◽  
Author(s):  
G. O. Bedford
Keyword(s):  
Stage Larva ◽  
Breeding Sites ◽  
Oryctes Rhinoceros ◽  
The Third ◽  
Third Stage

AbstractThe third-stage larva of Chalcosoma atlas (L.) collected in Malaysia is described, with illustrations, and a key is provided to distinguish larvae of this species from those of Oryctes rhinoceros (L.) and Xylotrupes gideon beckeri Schaufuss, all of which occur in similar breeding sites.

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