Plate 15 Fig. 1. Locusta Migratoria. Fig. 2. Locusta Dux.
Date 1840
Source The Naturalist's Library - Entomology https://en.wikisource.org/wiki/Page:Jardine_Naturalist%27s_library_Entomology.djvu/383
Author Author: James Duncan; Editor: Sir William Jardine
Source: https://commons.wikimedia.org/wiki/File:Jardine_Naturalist%27s_library_Entomology_Plate_15.jpg


Fig. 1. Locusta migratoria (migratory locust)
The migratory locust (Locusta migratoria) is the most widespread locust species of the family Acrididae. Locusta migratoria occurs throughout Africa, Asia, Australia and New Zealand. Many other species of grasshopper with gregarious and possibly migratory behaviour are referred to as 'locusts' in the vernacular, including the widely distributed desert locust.
Order: Orthoptera > Family: Acrididae > Genus: Locusta > Species: Locusta migratoria

Fig. 2. Locusta dux = Tropidacris cristata dux (subspecies of giant red-winged grasshopper)
Tropidacris cristata, the giant red-winged grasshopper, is a species of lubber grasshopper in the family Romaleidae.
Order: Orthoptera > Family: Romaleidae > Genus: Tropidacris > Species: Tropidacris cristata