Pesticidal protein exhibiting toxic activity against Lepidopteran and Hemipteran pest species are disclosed, and include, but are not limited to, TIC2199. DNA constructs are provided which contain a recombinant nucleic acid sequence encoding the disclosed pesticidal protein. Transgenic plants, plant cells, seed, and plant parts resistant to Lepidopteran and Hemipteran infestation are provided which contain recombinant nucleic acid sequences encoding the pesticidal proteins of the present invention. Methods for detecting the presence of the recombinant nucleic acid sequences or the protein of the present invention in a biological sample, and methods of controlling Lepidopteran and Hemipteran species pests using TIC2199 pesticidal protein are also provided.