AGRICULTURAL EXPERIMENT STATION. 215 



and surroundings. It shows that if deprived of the softer and 

 earlier varieties it is still equal to the emergency. Adaptable, con- 

 tented, the perfect embodiment of the sentiment "be it ever so 

 humble there is no place like home." 



General Description. 

 Perfect insect a two-winged fly somewhat 'smaller than the house- 

 fly. Readily recognized by its general black color ; yellowish head 

 and legs ; dark feet ; greenish, prominent eyes ; white spot on the 

 back and upper part of the thorax ; three white bands across the 

 abdomen of the male and four across the abdomen of the female, 

 and four black bands across the wings, resembling the outlines of 

 a turkey. (See plate I, figures 1 and 2.) 



Technical Description. 



Perfect insect (female) — Maximum length, 6.2 mm. (.245 in.) ; 

 minimum length, 5 mm. (.205 in.) ; average length of ten speci- 

 mens, 5.8 mm. (.228 in.) Maximum spread of wing, 12.5 mm. 

 (.5 in.) ; minimum, 10.8 mm. (.43 in) ; average of five, 12.15 mm. 

 (48 in.) 



Head — Light brown or pale rusty red ; space between the eyes 

 in front and the antennae, darker ; front of the face and hind orbit 

 of the eye more or less tinged with white, the latter bearing a I'ow 

 of black bristles; antennae, .5 mm. long; (.02 in.) three jointed; 

 the first joint shortest ; second joint having numerous short, thick, 

 black bristles on the inner face ; third joint as long as the other 

 two, oblong, rounded at the end, flattened on the inner face, 

 pubescent. Arista, dark brown, slender, more than twice the 

 length of the joint ; frontal bristles black. Mouth large, broader 

 than long ; palpi and proboscis pale yellow and pubescent. Eyes 

 prominent, length 1 mm. to 1.25 mm. (.04 in to .05 in) ; breadth 

 .45 to .50 mm. (.018 in. to .02 in.) ; green with reddish brown, 

 greenish and steel blue reflections in life, but dull and greenish 

 black in cabinet specimens. 



Thorax — Maximum length 2.75 mm. (.11 in.) ; minimum length 

 2.25 mm. (.09 in.) Black. A white stripe on each side in 

 front of the wing, involving its base and the humeral 

 callosity. Thoracic dorsum with four narrow silvery or bluish 

 gray longitudinal stripee arranged in pairs. The pairs sep- 

 arated by a median, broad, black space. Stripes of each 



3 L 



