Panorpa brevititilana  Issiki, 1929b


Diagnosis: 
Males of this species have hypovalves that extend only about half the length of the basistyles, are narrow and slightly divergent.  The ventral parameres are also quite short and extend only slightly beyond the hypovalves, are convergenet apically and touch at the tip.  The basal lobes of the dististyles are circular concavities.  Bristles along the mesal edge of the hypovalves extend outward from the genital bulb, as does the basal part of the basal lobe of the dististyle.


Distribution – Geographical:
Originally described from Kiuhabon, 1900 m, 2 October 1926, S. Issiki, 1♂, 3♀♀ (depository ?).


Distribution – Temporal: 
This species is still known only from the type series that were present as adults in early October.


Ecology: 
Nothing is known about the habitat of this species at this time.


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


Notes: 
This species is unusual in that the male has quite short hypovalves and vental parameres.  The setae on the mesal surface of the hypovalves appear to point outward, which is unique in this species.  However, we must be careful as these character states are based on a single male that at this time cannot be found.   Issiki & Cheng (1947) designated one ♀ from Kiuhabon as allotype.  Apparently, no lectotype has ever been designated.  This species is named for the very short ventral parameres of the male genitalia.


References:


Issiki, S.  1929b.  Descriptions of new Mecoptera from the Japanese Empire.  Transactions of the Natural History Society of Formosa  19:260-314.


Issiki, S. and F.-y. Cheng.  1947.  Formosan Mecoptera with Descriptions of new Species.  Memoirs of the College of Agriculture, National Taiwan University  1(4):1-17.  3 plates.


Yie, S.-T. 1951. The Biology of Formosan Panorpidae and Morphology of Eleven Species of their immature Stages. Memoirs of the College of Agriculture, National Taiwan University, 2(4):1-111.

 

 

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