Puerto Rico Solenopsis draft

• Solenopsis azteca
• Solenopsis corticalis
• Solenopsis geminata
• Solenopsis globularia
• Solenopsis maboya
• Solenopsis picea
• Solenopsis pygmaea
• Solenopsis pygmaea K
• Solenopsis succinea
• Solenopsis torresi = Solenopsis zeteki

No Solenopsis picea in key

7

• Larger, polymorphic species, HW up to 0000mm; eye with more than 20 facets and postpetiole not swollen . . . . . 8

• Smaller, monomorphic species, HW not over 0000mm; eye with fewer than 20 facets or, if with about 20 facets, postpetiole is greatly swollen . . . . . 9

8

(7)

• Propodeum concave between distinct ridges along sides of dorsal and declivitous faces (Fig. 00); apical margin of clypeus without median tooth; mandible of largest worker deformed and without distinct teeth . . . . . Solenopsis geminata

• Dorsal and declivitous faces of propodeum flat and not bordered by lateral ridges; apical margin of clypeus usually with small triangular median tooth; mandible of all worker sizes normal and dentate . . . . . Solenopsis invicta

9

(7)

• Eye with fewer than l0 facets; postpetiole not swollen and subglobular . . . . . 10

• Eye with at least 15 facets; postpetiole swollen and subglobular in dorsal view . . . . . Solenopsis globularia

10

(9)

• Metanotal suture deeply impressed across dorsum of mesosoma;frons and dorsum of mesosoma with mixed long and short hairs; color various . . . . .11

• Metanotal suture weakly impressed; frons and dorsum of mesosoma with uniformly short hairs; minute, pale yellowish species . . . . . 15

11

(10)

• Submedian clypeal carinae prominent, ending on ventral margin as distinct teeth or angles; ventral margin of clypeus strongly protuberant in middle . . . . . 12

• Submedian clypeal carinae absent; ventral margin of clypeus broadly transverse and without teeth or denticles . . . . . Solenopsis succinea

12

(11)

• In profile, petiole node cuneate, anterior and posterior faces evenly convergent above, summit narrowly rounded; antennal scape long, SI over 60 . . . . . 13

• Petiole node robust, anterior and posterior faces not evenly convergent above, summit subtruncate; antennal scape short, SI 48-52 . . . . . Solenopsis azteca

13

(12)

• Submedian and sublateral clypeal teeth well defined, submedian pair prominent and acute; side of head, in frontal view, with many conspicuously overlapping hairs (terrestrial species; queen brown, with small ocelli) . . . . . 14

• Submedian and sublateral clypeal teeth inconspicuous, submedian pair not notably acute; side of head with few overlapping hairs visible in frontal view (arboreal species; queen yellow, with large ocelli) . . . . . Solenopsis torresi = Solenopsis zeteki

14

(13)

• Propodeum, in profile, evenly convex; crest of petiole node, in posterior view, strongly convex . . . . . Solenopsis corticalis

• Propodeum, in profile, with short anterior face and long straight, strongly sloping, posterior face . . . . . Solenopsis maboya

15

(10)

• Median impunctate strip of frons clearly defined, narrower than adjacent punctate areas on either side, punctures of lateral areas notably coarse and dense, especially above eyes; eye larger, 3-4 facets; petiole with distinct short anterior peduncle . . . . . Solenopsis pygmaea

• Median impunctate strip of frons poorly defined and about as broad as adjacent punctate areas, punctures of lateral areas fine and inconspicuous; eye smaller, 1 or 2 facets; petiole without distinct anterior peduncle . . . . . Solenopsis pygmaea "B"