274 
Psyche 
[Vol. 92 
and two ventral lobes or teeth; propodeal median tooth about 1 
MOD long; R1 length about two-thirds stigmal length; T-I punc- 
tures about twice as large as on III, anterior corners sharp knoblike; 
T-III pit row sunken beneath prepit swelling, pits small and deep; 
S-II spots oblong and slender, about as far apart as long (fig. 10). 
Body generally blue green with purplish transverse stripes on T-I- 
III; propodeum purple, except lateral teeth; black on vertex, ante- 
rior face and medial and sublateral pronotal stripes, medial and 
sublateral scutal stripes, and scutellum anteromedially; T-II lateral 
edge transparent; T-III with large transparent basolateral spot. 
Female. Same as male, except S-II spots about 1.5 times as far 
apart as wide. 
Holotype male: BRAZIL: Sao Paulo, 1 January 1965, V. N. Alin 
(davis). Paratype female: BRAZIL: Minas Gerais, Ibiraci, October 
1961, C. Elias. 
Discussion. The differences between Exochrysis species are often 
subtle, involving details on the pronotum and T-III, and the shape 
of the spots on S-II. E. lemniscata most closely resembles panamen- 
sis and leucostigma and all three are sympatric throughout much of 
their distributions. It can be distinguished from these species by the 
elongate spots on the male S-II and medium-sized, round ones in 
females (about 1 .5 times as far apart as wide), and T-III with a white 
basolateral spot and small to tiny submedial pits. 
Exochrysis silvanus Kimsey, new species 
(Figs. 2, 4, 11) 
Holotype male: Body length 9 mm. Scapal basin with narrow 
impunctate polished stripe, laterally with dense fine punctures and 
silvery pubescence; frons without transverse carina but with two 
vertical carinae extending back to midocellus; malar space 0.9 
MOD long; LID 0.9 times eye width; subantennal distance 0.7 
MOD long; F-I 1.5 times as long as wide; F-II as long as wide; F-III 
0.8 times; F-V 0.6 times; pronotum with lateral carina and depressed 
medially; mesopleuron with three knobs or teeth on posterior car- 
ina; metanotum not strongly spiculate, elevated medially; propodeal 
medial tooth small, 1 MOD long; R1 subequal to stigmal length; T-I 
punctures about twice the size of those on II and III; T-III lateral 
margin convex, pit row depressed, sunken beneath prepit swelling, 
and two large pits located submedially; S-II spots large, ovoid and 
