Host Finding Behavior of the Parasitoid Hadronotus pennsylvanicus (Hymenoptera: Scelionidae) for Egg Masses of the Squash Bugs Anasa tristis and Anasa armigera (Hemiptera: Coreidae) in Squash and Cucumber Fields.
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DOI: 10.1093/ee/nvac018
Abstract: Parasitoid foraging behavior is affected by habitat and host plant differences. Egg parasitoids also use a combination of oviposition-induced and host-derived cues to find host eggs. This study compared parasitism by Hadronotus pennsylvanicus (Ashmead) (Hymenoptera:… read more here.
Keywords: tristis; egg masses; squash cucumber; host ... See more keywords
Both the Squash Bug Anasa tristis and Horned Squash Bug Anasa armigera (Hemiptera: Coreidae) are Attracted to Vittatalactone, the Aggregation Pheromone of Striped Cucumber Beetle
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DOI: 10.1093/ee/nvac079
Abstract: Abstract Vittatalactone, the aggregation pheromone of the striped cucumber beetle, Acalymma vittatum (F.) (Coleoptera: Chrysomelidae), is attractive to two species of squash bugs (Hemiptera: Coreidae), the squash bug Anasa tristis (DeGeer) and horned squash bug… read more here.
Keywords: tristis; squash bug; bug anasa; vittatalactone aggregation ... See more keywords
Microgeographical adaptation corresponds to elevational distributions of congeneric montane grasshoppers
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DOI: 10.1111/mec.15739
Abstract: Local adaptation can occur at small spatial scales relative to the dispersal capacity of species. Alpine ecosystems have sharp environmental clines that offer an opportunity to investigate the effects of fine‐scale shifts in species’ niche… read more here.
Keywords: tristis; niche breadth; microgeographical adaptation; selection ... See more keywords
Use of Flowering Plants to Enhance Parasitism and Predation Rates on Two Squash Bug Species Anasa tristis and Anasa armigera (Hemiptera: Coreidae)
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DOI: 10.3390/insects10100318
Abstract: A two-year study evaluated the effect of a flowering border of buckwheat Fagopyrum esculentum Moench on rates of egg parasitism, egg predation and adult parasitism on two squash bug species, Anasa tristis (DeGeer) and Anasa… read more here.
Keywords: anasa armigera; tristis; egg; parasitism ... See more keywords
Bacterial Elicitation of Transcriptional Response of Female Squash Bug, Anasa tristis (De Geer)1
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DOI: 10.3958/059.042.0104
Abstract: Abstract. The squash bug, Anasa tristis (De Geer), is a major pest of squash, pumpkin, and other cucurbits throughout North America. A. tristis is a piercingsucking feeder that causes extensive foliar wilting and fruit scarring… read more here.
Keywords: bug anasa; anasa tristis; squash bug; tristis ... See more keywords