Hemiblossia oneili is a small insect belonging to the order Hemiptera. It is characterized by its elongated body, measuring around 5 millimeters in length, and its vibrant green coloration. This insect is commonly found in tropical rainforests, where it feeds on plant sap using its piercing-sucking mouthparts. Hemiblossia oneili is known for its ability to camouflage among foliage, making it difficult to spot in its natural habitat.