NO. 3568 MELANOTUS — QUATE AND THOMPSON 43 



M. hyslopi and Sagittarius have larger parantennal fovea than any- 

 other North American Melanotus and can be distinguished by that 

 character in addition to more usual features of ordinary size, mandib- 

 ular pit, and intermediate sized third antennal segment. They may 

 be separated from each other by hyslopi generally being smaller, 

 having sparser pronotal punctiu-es, longer antennae, larger paranten- 

 nal fovea, and a more angulate frontal margin. 



22. Melanotus prasinus Blatchley 



Figures 6a, 10g,h 

 Melanotus prasinus Blatchley, 1910, p. 752; 1930, p. 35. — Thomas, 1941, p. 258. 



Male. — Body color reddish brown, covered with white vestiture 

 evenly distributed over body. 



Head: Front vnih pair of shallow anterolateral transverse depres- 

 sions, margin dark reddish bro^vn, sometimes strongly protuberant 

 above clypeus and turned up in front, fairly thin, parantennal fovea 

 moderately small, but well defined, arc shaped, with small foveal 

 tragus; nasale poorly developed 1^-2 times as wide as high. Man- 

 dible with deep slit or teardrop-shaped pit. Antenna exceeds tip of 

 hind angle by 1-2 segments, reddish brown, ratio of segments 2:3:4 = 

 3:4:5, segment 4 about twice as long as maximum width; erect male 

 hairs short and rather sparse but easily seen. 



Pronotum usually wider than long, ratio of vAdth/length= 1.0-1 .07; 

 punctures at center usually separated by distance equal to about 

 tmce own diameter, shghtly denser on margins, smaller than punc- 

 tures on front; sides of pronotum gently rounded and divergent 

 posteriorly on anterior half, with concavity at base of hind angles; 

 hind angles divergent, carina weak, extending little cephalad of base 

 of hind angle. GenitaHa as figured; paramere without apical blade. 



Elytron: 6.8 mm (6.2-7.3). 14 spec. 



Female. — Similar to male; bursa with moderate number of pointed, 

 plaquelike spines; accessory gland originates near apex of bursa. 



Elytron: 7.5 mm. 1 spec. 



Type. — Holotype of parasinus: Male, Vermilion Co., Ind., June 

 15, 1904, W. S. B. (PU). 



Distribution. — Connecticut to North Carolina, west to Illinois and 

 Missouri. 



Connecticitt: Windham; August. Illinois: Champaign; July. Maryland: 

 Plummers Isl.; April, June. Massachusetts: Barnstable, Middlesex; July. 

 Montana: Carter; June. New Hampshire: HiUsboro; no date. New Jersey: 

 Bergen, Cape May; June, July. New York: Kings; July. North Carolina: 

 Buncombe; July. Ohio: Hocking, Lucas; June. Pennsylvania: "Estes"; 

 July, Tennessee: Smith; no date. 



