Panorpa rupeculana  Byers, 1993

 

Diagnosis: This species is part of the rufescens species group that has one marginal spot along the base of the forewing costal margin, and shading along many of the distal crossveins; males with narrow hypovalves;  and dististyles with a basal lobe that is apically truncate and bears a row of spines along the dorsal margin.  The ventral parameres have lateral props to the inner wall of the basistyles.  P. rupeculana belongs to the subgroup with heavy, dark spines at the apex of the male basistyles.  This species can be distinguished from others in the subgroup by its long, straight ventral parameres that terminate in a sharp point and have a row of spines along most of the length.

 

Distribution – Geographical: this species is found in southeastern Arkansas, the northeastern corner of Louisiana, and northern Mississippi.

 

Distribution – Temporal:  This species appears to have two emergence periods per year – one in late May, and a larger one from early September until late October.

 

Ecology:  This species, like many in the rufescens species group, has been collected in an open mixed forest of pine, red gum, hickory, oak, and maple, with an understory of greenbriar, brambles, honeysuckle, and goldenrod.

 

Biology:  Nothing is known of immature stages or life history.

 

Notes:  This species is very similar to P. acuminata, including a long, pointed male ventral paramere with a series of spines along its mesal margin, but P. rupeculana has a group of four heavy dark spines at the apex of the male basistyle, which is lacking in P. acuminata.

 

The name rupeculana comes from the diminutive Latin word for rock, rupes, and is a play on words for the capital city of Arkansas, Little Rock, where many of the type series were collected.

 

References:

 

Byers, G.W. 1993. Autumnal Mecoptera of southeastern United States. University of Kansas Science Bulletin, 55(2):57-96.

 

Mecoptera

A Bibliography of Mecoptera

 

A World Catalog of Mecoptera

The Mecoptera of Taiwan

The Mecoptera of North America

 

The Mecoptera of Chile

 

The Mecoptera of Mexico (in progress)

 

The Mecoptera of Gaoligongshan, Yunnan, China (in progress)

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