Other Common Names
Big-footed or Big-legged Plant Bug
Explanation of Names
'thorn/spine' + kephale
'head' (refers to the spine on the front of the head). (Acanthocephala
is also a taxon of parasitic worms
Large, dark brown to black; tylus
laterally flattened and prominently pointed.
Any Acanthocephala found north of NC-OK must be A. terminalis.
Key to all our spp. except for A. thomasi
Note: In states other than AZ, CA, FL, GA, and TX there are only three species to choose from. They may be eliminated easily if compared in this order: A. declivis has a distinctive right-angled hind leg flange and broad pronotum, A. femorata has uniformly red antennae, and A. terminalis has red-tipped antennae.
New World, mostly neotropical(2)
; in our area, e. NA & so. US as follows:(3)
se. Canada to FL west to CO-TX;
Deciduous forests, fields, etc.
our only representative of the New World tribe Acanthocephalini Stål 1870, that contains ~100 spp. in 15 genera(2)
(metatibial expansion generally shorter and often wider)