Susceptibility of the Eastern Tent Caterpillar (Malacosoma americanum) to the Entomogenous Fungus Beauveria bassiana

1993 ◽  
Vol 61 (2) ◽  
pp. 217-219 ◽  
Author(s):  
Timothy D. Leathers ◽  
Subhash C. Gupta
Keyword(s):  
Beauveria Bassiana ◽  
Malacosoma Americanum ◽  
Entomogenous Fungus ◽  
Eastern Tent Caterpillar ◽  
Fungus Beauveria Bassiana ◽  
Tent Caterpillar

Experimental parasitization of larvae of the gypsy moth, Porthetria dispar (L.), with the entomogenous fungus, Beauveria bassiana (Balsamo) Vuill

Parasitology ◽  
1975 ◽  
Vol 70 (3) ◽  
pp. 341-346 ◽  
Author(s):  
S. S. Wasti ◽  
G. C. Hartmann
Keyword(s):  
Beauveria Bassiana ◽  
Gypsy Moth ◽  
Post Inoculation ◽  
Entomogenous Fungus ◽  
Porthetria Dispar ◽  
Host Penetration ◽  
Fungus Beauveria Bassiana ◽  
Wax Moth

Second-instar larvae of the gypsy moth, Porthetria dispar (L.) were infected with Beauveria bassiana (Balsamo) Vuill. by allowing larvae to crawl over sporulating cultures of the fungus. Virulence of the pathogen was increased by inoculating larvae of the wax moth, Galleria melonella (L.), twice in serial succession. Observations were made on the infectivity and histopathology of the parasite in the host. Penetration of the cuticle occurred 24 h after inoculation and at 64 h post-inoculation the interior was completely filled with hyphae. Penetration of the gut wall was also observed.

Identification and behavioral assays of the trail pheromone of the forest tent caterpillar, Malacosoma disstria Hübner (Lepidoptera: Lasiocampidae)

1993 ◽  
Vol 71 (8) ◽  
pp. 1511-1515 ◽  
Author(s):  
T. D. Fitzgerald ◽  
F. X. Webster
Keyword(s):  
Trail Pheromone ◽  
Malacosoma Disstria ◽  
Forest Tent Caterpillar ◽  
Laboratory Studies ◽  
Malacosoma Americanum ◽  
Eastern Tent Caterpillar ◽  
Highly Sensitive ◽  
True Threshold ◽  
Behavioral Assays ◽  
Tent Caterpillar

Behavioral assays show that the steroid 5β-cholestan-3-one, isolated from the abdomen of the larva of the forest tent caterpillar (Malacosoma disstria), constitutes the chemical basis of trail following in this insect. Caterpillars follow artificial trails prepared from solvent dilutions of the compound at rates as low as 10−11 g∙mm−11 of trail, though the true threshold sensitivity is likely to be one or two orders of magnitude lower than this. Fourth-instar caterpillars store an average of 58 ng of the pheromone. Field and laboratory studies indicate that the compound is fully competitive with their authentic trails. The caterpillars are highly sensitive to differences in the concentration of the pheromone, preferring stronger trails to weaker trails. The caterpillars also respond to 5β-cholestane-3,24-dione, a chemical not found in M. disstria but known to be a component of the trail pheromone of the eastern tent caterpillar, Malacosoma americanum.

Complete genome sequence of a novel partitivirus from the entomogenous fungus Beauveria bassiana in China

2019 ◽  
Vol 164 (12) ◽  
pp. 3141-3144 ◽  
Author(s):  
Najie Shi ◽  
Guogen Yang ◽  
Ping Wang ◽  
Yulong Wang ◽  
Deshui Yu ◽  
...  
Keyword(s):  
Beauveria Bassiana ◽  
Genome Sequence ◽  
Complete Genome Sequence ◽  
Complete Genome ◽  
Entomogenous Fungus ◽  
Fungus Beauveria Bassiana

Nutrient content of four rosaceous hosts and their effects on development and fecundity of the eastern tent caterpillar, Malacosoma americanum (Fab.) (Lepidoptera: Lasiocampidae)

1983 ◽  
Vol 61 (12) ◽  
pp. 2868-2872 ◽  
Author(s):  
A. Segarra-Carmona ◽  
P. Barbosa
Keyword(s):  
Fatty Acids ◽  
Water Content ◽  
Development Time ◽  
Direct Relationship ◽  
Nutrient Content ◽  
Pupal Weight ◽  
Malacosoma Americanum ◽  
Eastern Tent Caterpillar ◽  
Developmental Parameters ◽  
Tent Caterpillar

Eastern tent caterpillar, Malacosoma americanum (Fab.), larvae reared on four rosaceous hosts differed in development time and survival under laboratory conditions. Fecundity and pupal weight were also affected by diet. Levels of nitrogen, carbohydrates, and fatty acids in host foliage as well as water content and caloric values were determined. No direct relationship was found between nutrient or caloric levels and developmental parameters.

Daily foraging schedule of field colonies of the eastern tent caterpillar Malacosoma americanum

Oecologia ◽  
1988 ◽  
Vol 76 (4) ◽  
pp. 574-578 ◽  
Author(s):  
T. D. Fitzgerald ◽  
Tim Casey ◽  
Barbara Joos
Keyword(s):  
Malacosoma Americanum ◽  
Eastern Tent Caterpillar ◽  
Tent Caterpillar

Occurrence of the Entomogenous Fungus Beauveria bassiana in Pecan Orchard Soils in Georgia

1991 ◽  
Vol 26 (3) ◽  
pp. 360-366 ◽  
Author(s):  
Ronald D. Harrison ◽  
Wayne A. Gardner
Keyword(s):  
Pest Management ◽  
Beauveria Bassiana ◽  
Environmental Conditions ◽  
Soil Type ◽  
Management Practices ◽  
Soil Samples ◽  
Entomogenous Fungus ◽  
Fungal Propagules ◽  
Fungus Beauveria Bassiana ◽  
Orchard Soils

Soils from 19 pecan orchards in ten Georgia counties were sampled for Beauveria bassiana (Balsamo) Vuillemin propagules utilizing a selective oatmeal-dodine agar. The 543 soil samples were collected at times corresponding to adult pecan weevil, Curculio caryae (Horn), emergence from the soil and larval penetration into the soil. Fungal propagules were detected in the soils of each of the 19 orchards on both sampling dates. Therefore, soils in pecan orchards in Georgia appear to contain B. bassiana propagules during periods of adult and larval activity of pecan weevils regardless of location, soil type, or pest management practices. Environmental conditions in these orchard soils are apparently conducive for B. bassiana stability and persistence and may enhance efforts to augment the natural inoculum.

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