E. B. WILLIAMSON 
213 
4/) but occupying a normal position, not shifted i)asally and into 
a ventially directed position as in fulvicollis. 
Nothing is known of the larva of any species. 
Key to the Males of N eoneura^ 
First po«tnoclaI descending cross-vein forked at its posterior end to enclose a 
marginal four-sided cell; abdominal appendages slightly longer than tenth 
thick a base, gradually constricted beyond the inicldle and curve^to^ d 
hmd : il;;: S mnl^“^‘ ^ 34 mm., 
a2. Not as above. waltherF 
bb Pale markings throughout bright sky blue; thorax with black adioinin^ 
mid-dorsal carma more than one-third the width of the mesepisti-nunr 
line sLTat.'“ - 
b% Not as above. joana 
ade mid-dorsal carma more than one-third the width of the mesepi- 
sternum; eighth segment entirely yellow, except about the apex. 
cb Pale colors not yellow. bilinearis 
clb Head thorax and basal abdominal segments above bright blue or 
bluish, apex ot third and fourth to tenth red or reddish; thoracic 
dark markings reduced. , 
db Not as above. sylvatica 
eb Thorax with black area adjoining mid-dorsal carina at least more 
with bpX ''"^1 mesepisternum; abdomen red 
. i\ith black reduced or wanting. 
fb Thoracic dorsal black or dark brown more or less broken into 
noticeable along the outer 
gb ^ . dentimlata, a single teneral male known; see figure 10 
and discussion of species in text. ^ 
gb Black markings, if any, on mesepimeron disconnected spots- 
pale colors of thorax red or reddish rubriventiis 
must be used with caution because of the already known great 
va latioufthTo T likehhood that other 
variations than those known at this time e.xist. Variations other than thosi 
due to age may also be discovered when larger material is available All 
and hgures lTnle.ss otherwise specified, the characters in the kev refer to fullv 
BrZl'rteo^ ■n.-.Ie fro.n 
tr.vns. am. e.xt. soc., xliii. 
