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Diptera as parasitoids.

D H Feener1, B V Brown

  • 1Department of Biology, University of Utah, Salt Lake City, Utah 84112, USA.

Annual Review of Entomology
|January 1, 1997
PubMed
Summary

Dipteran parasitoids, comprising 20% of insect parasitoids, are diverse and underutilized for studying evolution. Further research is needed to understand their ecology and behavior.

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Area of Science:

  • Entomology
  • Evolutionary Biology
  • Ecology

Background:

  • Parasitoids are insects that lay eggs on or in other insects, eventually killing the host.
  • The insect order Diptera (flies) contains an estimated 16,000 parasitoid species, representing about 20% of all known parasitoids.
  • Dipteran parasitoids exhibit significant diversity in habits and evolutionary history, making them valuable for studying evolutionary processes.

Purpose of the Study:

  • To review the bionomics of dipteran parasitoids, focusing on under-treated aspects.
  • To explore host location, attack strategies, host use patterns, and evolutionary consequences of host-parasitoid interactions in Diptera.
  • To contrast findings in dipteran parasitoids with those in the more extensively studied parasitic Hymenoptera.

Main Methods:

  • Literature review and synthesis of existing research on dipteran parasitoids.
  • Comparative analysis of bionomic patterns between Diptera and Hymenoptera.
  • Identification of knowledge gaps and areas for future research.

Main Results:

  • Dipteran parasitoids are diverse in their host-location, attack, and host-use strategies.
  • Host-parasitoid interactions in Diptera have significant evolutionary and ecological consequences.
  • Patterns observed in dipteran parasitoids offer unique insights into character convergence and adaptive radiation.

Conclusions:

  • Dipteran parasitoids are a rich, yet underutilized, resource for quantitative evolutionary studies.
  • Comprehensive understanding of insect parasitoid evolution requires more intensive study of dipteran parasitoids.
  • Further research on dipteran parasitoid behavior and ecology is crucial for understanding general evolutionary principles.

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