Comparison of feeding and defecation patterns of Rhodnius colombiensis and Rhodnius prolixus (Hemiptera, Reduviidae, Triatominae) under laboratory conditions.
Keywords:
Rhodnius, physiology, defecation, growth and development, Trypanosoma, Chagas disease
Abstract
Introduction. Rhodnius colombiensis occasionally comes into human dwellings and consequently its role as an important potential vector in the transmission of American trypanosomiasis has been suggested.Objective. The potential role of R. colombiensis as vector was defined by comparing the feeding and defecation patterns between R. colombiensis and R. prolixus, the main domiciliary vector of Trypanosoma cruzi in Colombia.
Materials and methods. For each developmental stage of R. colombiensis and R. prolixus the following data were collected: (1) time of feeding initiation, (2) the time for reaching the repletion,(3) the number of interruptions and defecations during the feeding, (4) the time between the end of the feeding and the first defecation, (5) the number of defecations during 10, 60 and 95 minutes of observation after feeding, and (6) the quantity of blood ingested.
Results. The mean time of feeding initiation of the fifth instar nymphs, males and females, showed significant differences between the two species. The average of insects that defecated within 10 minutes after feeding was higher for each successive stage of R. prolixus and showed significant differences with Rhodnius colombiensis. In contrast, the mean weight of blood ingested by each stage of R. colombiensis and R. prolixus was significantly different between the N1, N2, N5 and females of these species.
Conclusion. Rhodnius colombiensis produced fewer defecations than R. prolixus during feeding. A higher percentage of R. prolixus defecated within 10, 60 and 95 minutes after feeding. However, R. colombiensis remains a longer time in contact with the vertebrate host, thus raising the probability of its role in transmission considering its occasional entry to human dwellings and its higher prevalences of infection withT. cruzi and T. rangeli.
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References
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13. Rocha DS, Fonseca AH, Costa FA, Jurberg J, Galvâo C. Desenvolvimento de Rhodnius pictipes Stal, 1872 alimentado através de membrana de silicone e em camundongos (Hemiptera, Reduviidae, Triatominae). Mem Inst Oswaldo Cruz 1997;92:553-8.
14. Buxton PA. The biology of a blood sucking bug Rhodnius prolixus. Trans Ent Sco Soc London 1930;78:227-36.
15. Friend WG, Choy CT, Cartwright E. The effect of nutrient intake on the development and the egg prodution of Rhodnius prolixus Stal (Hemiptera: Reduviidae). Can J Zool 1965;43:891-904.
16. Regis L. The role of the blood meal in egg-laying periodicity and fecundity in Triatoma infestans. Internat J Inver Reprod 1979;1:187-95.
17. Rocha DS, dos Santos CM, Cunha V, Jurberg J, Galvao C. Life cycle of Rhodnius brethesi Matta, 1919 (Hemiptera, Reduviidae, Triatominae), a potential vector of Chagas disease in the Amazon region. Mem Inst Oswaldo Cruz 2004;99:591-5.
18. Dujardin JP, García-Zapata MT, Jurberg J, Roelants P, Cardozo L, Panzera F, et al. Which species of Rhodnius is invading houses in Brazil?. Trans R Soc Trop Med Hyg 1991;85:679-80.
19. Feliciengeli MD, Dujardin JP, Bastrenta B, Mazzarri M, Villegas J, Flores M, et al. Is Rhodnius robustus (Hemiptera: Reduviidae) responsible for Chagas disease transmission in Western Venezuela? Trop Med Int Health 2002;7:280-7.
2. Schofield CJ, Dujardin JP. Theories on the evolution of Rhodnius. Actual Biol 1999;21:183-97.
3. Moreno MJ, Galvão C, Jurberg J. Rhodnius colombiensis sp. n. da Colômbia com quadros comparativos entre estructuras fálicas do género Rhodnius Stal, 1859 (Hemiptera, Reduviidae, Triatominae). Entomol Vect 1999;6:601-17.
4. Zeledón R, Alvarado R, Jirón LF. Observations on the feeding and defecation patterns of three triatomine species (Hemiptera: Reduviidae). Acta Trop 1977;34:65-77.
5. Monroy E, Susunaga G. Caracterización biológica de las cepas de Trypanosoma cruzi aisladas de Rhodnius prolixus en el departamento del Tolima. (Tesis, biología). Ibagué: Universidad del Tolima; 1990. p.151.
6. Richa DS, Galvão C, Jurberg J. Biología do Rhodnius pictipes Stal, 1872 em Condições de Laboratório (Hemiptera, Reduviidae, Triatominae). Mem Inst Oswaldo Cruz 1994;89:265-70.
7. Soares RP, das Graças Evangelista L, Laranja LS, Diotaiuti L. Population dynamics and feeding behavior of Triatoma brasiliensis and Triatoma pseudomaculata, main vectors of Chagas disease in northeastern Brazil. Mem Inst Oswaldo Cruz 2000;95:151-5.
8. Martínez-Ibarra JA, Novelo López M, Hernández Robles MR, Grant Guillén Y. Influence of the blood meal source on the biology of Meccus picturatus Usinger 1939 (Hemiptera: Reduviidae:Triatominae) under laboratory conditions. Mem Inst Oswaldo Cruz 2003;98:227-32.
9. Wood SF. Importance of feeding and defecation times of insect vectors in transmission of Chagas' desease. J Econ Entomol 1951; 44: 52-54.
10. Dias E. Obsevações sôbre eliminação de dejeções e tempo de sucção em alguns triatomineos sulamericanos. Mem Inst Oswaldo Cruz 1956;54:115-24.
11. Pipkin AC Sr. Domiciliary reduviid bugs and the epidemiology of Chagas' disease in Panama (Hemiptera: Reduviidae: Triatominae). J Med Entomol 1968;5:107-24.
12. Pippin WF. The biology and vector capability of Triatoma sanguisuga texana Usinger and Triatoma gerstaeckeri (Stal) compared with Rhodnius prolixus (Stal) (Hemiptera: Triatominae). J Med Entomol
1970;7:30-45.
13. Rocha DS, Fonseca AH, Costa FA, Jurberg J, Galvâo C. Desenvolvimento de Rhodnius pictipes Stal, 1872 alimentado através de membrana de silicone e em camundongos (Hemiptera, Reduviidae, Triatominae). Mem Inst Oswaldo Cruz 1997;92:553-8.
14. Buxton PA. The biology of a blood sucking bug Rhodnius prolixus. Trans Ent Sco Soc London 1930;78:227-36.
15. Friend WG, Choy CT, Cartwright E. The effect of nutrient intake on the development and the egg prodution of Rhodnius prolixus Stal (Hemiptera: Reduviidae). Can J Zool 1965;43:891-904.
16. Regis L. The role of the blood meal in egg-laying periodicity and fecundity in Triatoma infestans. Internat J Inver Reprod 1979;1:187-95.
17. Rocha DS, dos Santos CM, Cunha V, Jurberg J, Galvao C. Life cycle of Rhodnius brethesi Matta, 1919 (Hemiptera, Reduviidae, Triatominae), a potential vector of Chagas disease in the Amazon region. Mem Inst Oswaldo Cruz 2004;99:591-5.
18. Dujardin JP, García-Zapata MT, Jurberg J, Roelants P, Cardozo L, Panzera F, et al. Which species of Rhodnius is invading houses in Brazil?. Trans R Soc Trop Med Hyg 1991;85:679-80.
19. Feliciengeli MD, Dujardin JP, Bastrenta B, Mazzarri M, Villegas J, Flores M, et al. Is Rhodnius robustus (Hemiptera: Reduviidae) responsible for Chagas disease transmission in Western Venezuela? Trop Med Int Health 2002;7:280-7.
How to Cite
1.
Arévalo A, Carranza JC, Guhl F, Clavijo JA, Vallejo GA. Comparison of feeding and defecation patterns of Rhodnius colombiensis and Rhodnius prolixus (Hemiptera, Reduviidae, Triatominae) under laboratory conditions. Biomed. [Internet]. 2007 Jan. 1 [cited 2026 Jan. 11];27(1esp):101-9. Available from: https://revistabiomedicaorg.biteca.online/index.php/biomedica/article/view/253
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