4 
unl 
nN 
Fal 
s 
Q 
— 
rd 
- 429.] THE FAMILY OF FORMICIDA. 721 
Body less slender ; species Foie always small; gizzard with a reflected 
cix. Ck Wee 
. Eyes very lige; occupying enicditid the ide óf the bent 
Turneria Forel 
Eyes much smaller. . WES 
. Cloacal orifice apical; penike very p withaat a distinct este 
heepepn mie Mayr 
6 
Cloacal orifice inferior 
. Scale of petiole very small add — piela; or even shegethior 
absent . . i ee Ee | 
Scale more or ias D ri: but a seve t 9 
Maxillary palpi 2—4-jointed, labial palpi 2-3- T in ‘the anterior 
wing of the female and male the transverse nervure joins the external 
branch of the cubital nervure (Europe, India, Australia) 
* Bothriomyrmex za 
Maxillary palpi 6-jointed, labial 4-jointed 
Scale of petiole small but distinct in the dorka (well devetopett in ihe 
female); in the anterior wing the transverse vein joins the external 
branch of the cubital vein; there is no closed cubital cell in the 
male, one only in the female; no discoidal cell; gizzard with a 
convex, 4-lobed calyx (a monotypic American genus) Forelius Emery 
Scale rudimental or none; the transverse vein joins the cubital at the 
point of bifurcation; a single closed cubital cell, eue a single 
discoidal; gizzard with a depressed calyx wit e 
apinoma Foerster 
Metanotum bearing a conical projection more or less distinctly devel- 
oped ; wings as in Forelius (American species) Dorymyrmex Mayr 
Metanotum of a different conformation ; wings with a discoidal cell 10 
Gizzard very short, with a great reflected calyx; no ocelli, stature but 
slightly variable . ridomyrmex Mayr 
Gizzard at least as long as eon stature y highly veka ocelli usually 
present in the large workers II 
. Thorax not impressed at the tubéblplüotil vtae i no ésiiskable 
dimorphism in the workers ; wings with two closed cubital cells 
* Liometopum Ma 
Thorax impressed at the mesoépinotal suture; workers often remark- 
ably dimorphic; with a single closed cubital cell; transverse vein 
meeting the bifurcation of the cubital (American species) 
Azteca Forel 
The genus Linepithema Mayr, of which only the male is known, is not 
included in the above table. 
