cephalic sculpture
posterolateral lobes smooth
posterolateral lobes smooth
The posterolateral portion of cephalic dorsum sculptured with punctures, rugae or some combination, but never smooth and shining. Best viewed in profile. Used in Antkey to separate the majors of Pheidole fervens and Pheidole teneriffana from those of Pheidole flavens and Pheidole moerens.
posterolateral lobes sculptured
posterolateral lobes sculptured
The posterolateral portion of cephalic dorsum smooth and shining, lacking any type of distinct sculpture. Best viewed in profile. Used in Antkey to separate the majors of Pheidole flavens and Pheidole moerens from those of Pheidole fervens and Pheidole teneriffana.
rugae mostly longitudinal
rugae mostly longitudinal
The cephalic sculpture of Myrmica rubra is characterized by long longitudinal carinae that rarely intersect. Contrasts with the strongly reticulated cephalic sculpture of Myrmica specioides.
rugae strongly reticulated
rugae strongly reticulated
The cephalic sculpture of Myrmica specioides is strongly rugoreticulate and characterized by longitudinal carinae that are frequently intersected by shorter transverse carinae. This character state contrasts with the predominately longitudinal cephalic carinae of Myrmica specioides that rarely intersect.
head covered in punctate microsculpture
head covered in punctate microsculpture
The head is covered in punctate microsculpture, giving it a dull appearance. Used in Antkey to separate Pheidole species.
head smooth and shining
head smooth and shining
The head is smooth and shining, lacking punctation. Used in Antkey to separate Pheidole species.
head smooth and shining
head smooth and shining
The head smooth and shiny, not covered by hexagonal microsculpture. Used in Antkey to separate Atta cephalotes from Atta sexdens.
head smooth posteriorly
head smooth posteriorly
The posterior third of cephalic dorsum smooth and shining with at most a few short interrupted carinae. Used in Antkey to separate major workers of Pheidole megacephala from those of other Pheidole species.
head sculptured posteriorly
head sculptured posteriorly
The posterior third of cephalic dorsum distinctly sculptured either with punctures or carinae, but never smooth and shining. Used in Antkey to separate major workers of various Pheidole species from Pheidole megacephala.
posterolateral lobes punctate
posterolateral lobes punctate
The posterolateral lobes with a distinct punctate ground sculpture, giving the head a dull appearance, and also lacking rugae. Used in Antkey to separate the major workers of Pheidole anastasii, Pheidole bilimeki and Pheidole punctatissima from those of all other Pheidole species.