DOLERUS VAEISPINUS. 179 



more pilose pleuraD, body longer compared to the 

 breadth, mesonotum less punctured, base of abdomen 

 impunctate, metatarsus shorter, that of oblongus being 

 longer than the two succeeding joints, besides not 

 being so distinctly dilated at the apex. From inter- 

 medius it is readily known by the more glabrous, less 

 punctured mesonotum, shorter and thicker spurs and 

 metatarsus. From varispinus the closer puncturation 

 on the head and mesonotum, thicker tarsal joints, 

 broader head and black spurs separate it. 

 Rare. Fossil Marsh, near Glasgow. 



24. DOLERUS VARISPINUS. 

 PI. XX, fig. 3, Saw. 



Dolerus varispinus, Htg., Blattw., 239, 30; Thorns., Hymen. 

 Scand., i. 292, 27; Andre, Species, i, 

 278, 61 ; Cat., 35,* 45. 

 brevitarsis, Htg., 1. c., 243, 38 (<?). 



Deep black, shining; covered on head and thorax with short pale pube- 

 scence, as well as on the sides and apical segments of the abdomen. 

 Abdominal segments thinly edged above and oeneath with white ; the 

 two apical segments with much wider white borders. Head covered 

 with shallow scattered punctures; the space surrounding the ocelli 

 more shining than the rest of the head; lateral sutures wide but 

 shallow. Mesonotum covered all over with scattered shallow but wide 

 punctures ; those on the outer side of middle lobe being less distinct ; 

 cenchri dull grey. Wings hyaline; stigma dilated, black, paler on 

 lower side ; transverse radial nervure received close to second cubital ; 

 transverse nervures in anterior wings united or nearly so. Posterior 

 spurs for the greater part white ; middle ones dull testaceous ; front 

 dull testaceous at apex. Metatarsus dull brown at the base. ? . 



The <$ I have never seen. Thomson describes it thus : Abdomine 

 longo, dorso pubescenti-opaco, subcarinato, segmento 8 dorsali spatio 

 polito nullo. 



Length 4 lines. 



Agrees with elongatus and ceneus in the body form, 

 but the antennae are shorter and thicker, stigma 

 broader, puncturing deeper, abdomen shorter, head 

 and thorax not so pilose. The saw is not unlike that 

 of coracinus and anthracinus , but the teeth are not so 

 deep, more regularly and closely indented all over from 

 the first tooth. The transverse radial, cubital and 



