Strumigenys hispida
Encyclopedia
Strumigenys hispida is a species of yellow ant
Ant
Ants are social insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera. Ants evolved from wasp-like ancestors in the mid-Cretaceous period between 110 and 130 million years ago and diversified after the rise of flowering plants. More than...

 up to 3 mm in length. It is endemic to Taiwan
Taiwan
Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

.

This ant is very similar to Strumigenys solifontis but there are several distinguishing features including much more prominent lamella
Lamella
-Biology:* Lamella , a papery rib beneath a mushroom cap* Lamella , a plate-like structure in an animal* Lamella , part of a chloroplast* Lamella , a group of land crabs in the family Gecarcinucidae...

e on the propodeum
Propodeum
The propodeum is the first abdominal segment in Apocrita Hymenoptera . It is fused with the thorax to form the mesosoma. It is a single large sclerite, not subdivided, and bears a pair of spiracles. It is strongly constricted posteriorly to form the articulation of the petiole, and gives apocritans...

, and thorax
Thorax (insect anatomy)
The thorax is the mid section of the insect body. It holds the head, legs, wings and abdomen. It is also called mesosoma in other arthropods....

with a flatter upper profile.
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