Recently, many Hoosiers have been reporting suspected sightings of an invasive spider species known as the jorō spider. This species, scientific name Trichonephilia clavata, is native to Japan, the Koreas, China, Taiwan, India, and Vietnam. The name of the spider is derived from its Japanese name “jorōgumo”. Due to the nature of the Japanese language,…Read more about Jorō spiders and similar species[Read More]
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Indiana DNR inspectors found small green leafhoppers on tropical hibiscus at a garden center in Delaware County and sent specimens to us at Purdue for confirmation. They turned out to be the two-spotted cotton leafhopper, Amrasca biguttula (Ishida), the first record of this species in the state (Fig. 1). It is a slender, pale green…Read more about First Detection of the Invasive Two-Spotted Cotton Leafhopper in Indiana[Read More]
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