SOUTHERN GEEEX PLANT-BUG. 9 



Dorsal surface. 



Head: Black. 



Thorax: Black except for four yellow spots usually present, one near entire outer 

 edge of prothorax and two, similarly located, on niesothorax. 



Abdomen: Dark reddish. Tubercles black. Minute light spots sometimes present 

 on median line. Wlien present one is usually found between first and second and 

 one between second and third tubercles. Four light areas, usually white, across 

 base to form what approaches a band. Row of five light dots on either side of median 

 line, the first and second very small and close together. Row of six light spots along 

 either side of abdomen, the posterior one smallest and sometimes not apparent. All 

 light spots are either white or light yellow, those over the central portion of the 

 abdomen being usually yellow. Row of eight black semicii'cular spots along either 

 edge of abdomen, one on a segment, their straight edges on line where dorsal and 

 ventral surfaces of abdomen meet. Tip of abdomen black. 



Ventral surface. 



Head: Black. Antennae and beak black, except for red areas between second and 

 third and third and fourth antennal joints. 



Thorax: Black except for yellow spots that may be present on prothorax and meso- 

 thorax, corresponding to those on doreal surface, and reddish area between coxae. 

 Legs black. 



Abdomen Reddish with row of five black sjDots extending from i\\) uj) median line 

 and row of black spots along edge, coiTesponding to those on dorsal surface. Tip 

 black. 



About to molt they measui'e approximately 3 mm. in length and 2 mm. in width, 

 being widest across the abdomen. 



THIRD-STAGE NYMPH. 



Shape, coloration, and general appearance same as in second instar, though black 

 may sometimes be replaced by olive green. 



T\Tien mature it measures about 3.6 mm. in length and 2.6 mm. in width across the 

 abdomen. 



FOURTH-STAGE NYMPH. 



Shape as in preceding stages. The second segment of the antenna now longest. 

 In this instar occur what may be termed light and dark forms as well as individuals 

 of intermediate coloration. The light and dark forms are described below. "ViTien 

 mature the nymph measures approximately 6.2 mm. in length and 4.7 mm. in width. 



Light form, dorsal surface. 



Head: Pale green with black border and black line on either side of tylus where it 

 joins jugum. These lines extend to middle of base of head where they join small 

 black area. Eyes black. 



Thorax: Pale green with few scattered black dots and other black markings. Sides 

 bordered with black and with orange-colored area near edge of prothorax and one of 

 same color near edge of mesothorax. 



■ Abdomen: Darker green than head and thorax. Darkest around glands, last two 

 of which are salmon colored. Four white areas along base of abdomen nearly joined 

 to form what approaches a band across base. Two small white dots on median line, one 

 between first and second and one between second and third glands. Row of five 

 white dots on either side of med^'an line, diverging anteriorly and converging poste- 

 riorly. Row of sis white dots, the posterior one much smaller than others, along 

 either side of abdomen just inside connexivum. On connexivum six black-bordered, 

 salmon-colored dots. 



55050°— 18— Bull. 689 2 



