Ant key 18 » Manaaki Whenua

Subfamily Myrmicinae

A second (smaller) pair of spines on the propodeum near the insertion of the petiole (Fig. a). Head with distinct antennal scrobe extending dorsally beyond eyes (Fig. b).	19
Without a second pair of spines on the propodeum near the insertion of the petiole (Fig. c). Head with antennal scrobe not extending dorsally beyond eyes (Fig. d).	20

Fig. a [Tetramorium grassii] propodeum with a pair of dorsal spines. Image: April Nobile (Specimen: CASENT0172365). www.antweb.org Image — Fig. a Tetramorium grassii propodeum with a pair of dorsal spines. Image: April Nobile (Specimen: CASENT0172365). www.antweb.org

Fig. b [Tetramorium bicarinatum] head showing antennal scrobe extending dorsally beyond eyes. Image: April Nobile (Specimen code: CASENT0060334). www.antweb.org Image — Fig. b Tetramorium bicarinatum head showing antennal scrobe extending dorsally beyond eyes. Image: April Nobile (Specimen code: CASENT0060334). www.antweb.org

Fig. c [Pheidole vigilans] propodeum with one pair of dorsal spines. Image: April Nobile (Specimen: CASENT0172953). www.antweb.org Image — Fig. c Pheidole vigilans propodeum with one pair of dorsal spines. Image: April Nobile (Specimen: CASENT0172953). www.antweb.org

Fig. d [Pheidole megacephala] head with scrobes not extending dorsally beyond eyes. Image: Shannon Hartman (Specimen: CASENT0056016). www.antweb.org Image — Fig. d Pheidole megacephala head with scrobes not extending dorsally beyond eyes. Image: Shannon Hartman (Specimen: CASENT0056016). www.antweb.org