Neandra marginicollis
(Schaeffer, 1929)
Neandra marginicollis is a of longhorned in the Cerambycidae, Parandrinae. It is one of two recognized within the species Neandra marginicollis, with the nominate subspecies N. marginicollis marginicollis described by Schaeffer in 1929 alongside the subspecies N. marginicollis punctillata. The species is found in North America. Members of this are unusual among cerambycids for their short, bead-like and large, forward-projecting that give them a superficial resemblance to stag beetles.
Pronunciation
How to pronounce Neandra marginicollis: /niːˈændrə ˌmɑːrdʒɪˈnɪkəlɪs/
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Identification
Neandra marginicollis can be distinguished from the related Neandra brunnea by the (notched) inner margin of the , whereas N. brunnea has entire (unnotched) eyes. The of N. marginicollis are sickle-shaped and well separated at the base, contrasting with the triangular, contiguous mandibles of Parandra polita. The pronotum is margined, a character shared with other parandrines. The body is generally more robust and less flattened than P. polita. The short, equal-segmented and distinctly pentamerous with slender, padless segments distinguish parandrines from most other cerambycid .
Distribution
North America; specifically recorded from the United States. The N. marginicollis marginicollis and N. marginicollis punctillata were both described by Schaeffer in 1929, suggesting a distribution that may include areas where Schaeffer worked, though precise locality data for the is not provided in the available sources.
Similar Taxa
- Neandra brunneaShares the same and general -like appearance with short and large , but differs in having entire (unnotched) and sickle-shaped mandibles that are well separated at the base versus the contiguous, triangular mandibles of related .
- Parandra politaAlso in Parandrinae with similar overall gestalt, but has triangular contiguous at the base, entire , and a narrower, more flattened body.
- Lucanus capreolusA true ( Lucanidae) that N. marginicollis superficially resembles due to reddish-brown coloration and large, forward-projecting with size dimorphism between males and females; however, stag beetles have distinctly clubbed and different tarsal structure.
More Details
Subspecies
Two are recognized: Neandra marginicollis marginicollis (Schaeffer, 1929) and Neandra marginicollis punctillata (Schaeffer, 1929). Both were described in the same publication by Schaeffer.
Taxonomic note
The Neandra belongs to the archaic Parandrinae, one of the more primitive lineages within Cerambycidae. Parandrines are distinguished from most other longhorned beetles by their short, equal-segmented and pentamerous with slender, padless segments—characters shared only with the small subfamily Spondylidinae, from which parandrines differ by the margined pronotum.