THE BroLoGy oF THE CHRYSOPIDAE 1355 
1 to 7 bearing two setae each; dorsal papillae very inconspicuous and having 
one small seta each. Total length of larva, extended, 2.04 mm.; width at meta- 
thorax, 0.76 mm.; width of head, 0.42 mm. 
Second-instar larvau.—General color gray, with reddish brown or brownish 
black markings. Head gray, with large, black, undivided patch above. First 
two lateral thoracic tubercles gray. Prothorax with large, brownish black, 
dorsal area between depressions. Anterior subsegment of mesothorax gray, 
crossed by reddish bands; posterior subsegment largely gray, but marked with 
red; stalks of tubercles white, but with traces of brown in front and behind. 
Metathoracic tubercles entirely brownish black to velvety black. Basal areas 
to whitish border of dorsal vessel of each stalk, the same in color, this being 
the darkest part of the body. First abdominal segment without definite lateral 
tubercles, but generally with a rounded swelling on each side; these swellings 
and the tubercles on segments 2 to 4 inclusive, gray; remaining tubercles also 
gray, but in some cases slightly marked with brown; eighth abdominal segment 
reddish yellow, with three black lines; ninth and tenth segments pale reddish 
yellow; lateral setae long, gray in color, six to fourteen from each tubercle; 
all thoracic papillae and dorsal abdominal tubercles and papiliae to fifth seg- 
ment, gray; on segments 5 to 8, dorsal tubercles black; abdomen with large, 
triangular, black color patches. All lateral tubercles gray except metathoracic. 
Total length from tips of jaws to tail, 0.29 mm.; width at metathorax, 1.42 mm.; 
width of head, 0.64 mm.; length of head and jaws, 0.96 mm.; length of longest 
thoracic setae, 0.76 mm. 
Third-instar larva.—Color dark brownish red, with grayish or yellowish 
white border. Head with three large black spots above; antennae dark; jaws 
amber-colored. First subsegment gray. Between prothoracic depressions dark 
reddish. First two pairs of thoracic tubercles largely white; metathoracic pair 
dark reddish velvety brown; bases of stalks same color, causing this to be the 
darkest part of body; an irregular grayish or vellowish area on each side of 
dorsal vessel on thorax. Abdomen entirely reddish black except dorsal papillae 
and tubercles, which are yellowish. No lateral tubercles on first abdominal 
segment. Lateral tubercles back to eighth segment gray or yellowish; a dash 
of gray extending antero-laterad from each dorsal tubercle, this bar of gray, 
with the gray along the dorsal vessel and the light borders, being the only 
light areas on the abdomen. Stalks and bases of lateral tubercles gray or 
yellowish, forming a light border on each side of the abdomen; irregular paired 
yellowish marks on highest parts between sutures; setae long, prominent, from 
twelve to fifteen on each knob; ventral side of abdomen gray; from seventh 
segment caudad brownish, a pair of triangular brown patches from thorax to 
seventh segment. Width of head, 0.92 mm.; length of mandibles, 0.88 mm.; 
width at metathorax, 1.72 mm.; total length of larva, 7.1 mm.; length of longest 
setae, 1.2 mm. 
Pupa.—Cocoon normally elongate spherical, of white, closely woven silk, 
of the texture of coarse paver; original framework giving it a slightly woolly 
appearance. Length of cocoon, 3.26 mm.; width, 2.71 mm. (For characters of 
pupa, see facial and prothoracic characters of adult.) 
Adult.—Entire body largely light green in color. Head and thorax promi- 
nently marked with jet black; conspicuous Y-shaped mark between antennae; 
a pair of black spots below bases of antennae, and another pair above. (The 
inter-antennal spot may be variously connected with these spots, giving a 
variety of patterns. Frequently the connection is slight.) A large black spot 
