946 MOSQUITOES OF NORTH AMEEICA 



MEGARHIN0S SEPTENTRIONALIS Dyar & Knab. 



Megartiina ferox Walker (not Humboldt, not Wiedemann), List Dipt. Brit Mus., 1, 



1, 1848. 

 Megarhinus rutila CoqulUett (In part), Can. Bnt, xxvlil, 44, 1896. 

 Megarhinus ferox Howard (not Humboldt, not Wiedemann), U. S. Dept. Agr., Div. 



Bnt, Bull. 4, n. s., 24, 1896. 

 Megarhina rutilla Giles (in part), Handb. Gnats or Mosq., 131, 1900. 

 Megarhina ferox Giles (in part, not Humboldt, not Wiedemann), Handb. Gnats or 



Mosq., 135, 1900. 

 Megarhinus rutila CoqulUett (in part), U. S. Dept. Agr., Div. Ent, Circular 40, 2 ser., 



7, 1900. 

 Megarhinus rutilus Howard (in part), V. S. Dept. Agr., Div. Ent., Bull. 25, n. s., 22, 



1900. 

 Megarhinus rutillus Theobald (in part), Mon. Culic, i, 244, 1901. 

 Megarhinus portoricensis Theobald (in part, not von Roder), Mon. Culic, 1, 232, 



1901. 

 Megarhinus portoricensis Howard (not von Roder), Mosquitoes, 240, 1901. 

 Megarhina rutilla Giles (in part), Handb. Gnats or Mosq., 2 ed., 275, 1902. 

 Megarhina portoricensis Giles (in part, not von Roder), Gnats or Mosq., 2 ed., 275, 



1902. 

 Megarhinus rutilus Dyar (in part, not CoqulUett) + Megarhinus portoricensis Dyar 



(In part, not von Roder), Proc. Ent. Soc. Wash., vl, 20, 1904. 

 Megarhinus rutilus Blanchard (in part), Les Moust, 228, 1905. 

 Megarhinus ferox Blanchard (In part, not Humboldt, not Wiedemann), Les Moust, 



225, 1905. 

 Megarhinus portoricensis Blanchard (in part, not von Roder), Les Moust, 224, 1905. 

 Megarhinus portoricensis Dyar (not von Roder), Journ. N. Y. Ent Soc, xlii, 108, 



1905. 

 Megarhinus portoricensis Theobald (in part, not von Roder) ; Gen. Ins., Dipt, 26"" 



fasc, 13, 1905. 

 Megarhinus portoricensis Herrick (not von Roder), Ent. News, xvi, 281, 1905. 

 Megarhinus portoricensis Felt (not von Roder), Bull. 97, N. Y. State Mus., 494, 1905. 

 Megarhinus sp., Hopkins, Proc Ent. Soc. Wash., vii, 4, 1905. 

 Megarhinus sp. not portoricensis, Ludlow, Can. Ent., xxxviii, 134, 1906. 

 Megarhinus portoricensis (in part, not von R8der) -\- Megarhinus rutilus (in part, 



not Coquillett) CoqulUett, U. S. Dept Agr., Bur. Ent, Tech. Ser. 11, 14, 



1906. 

 Megarhinus portoricensis Dyar & Knab (in part, not von Roder), Journ. N. Y. Ent. 



Soc, xlv, 178, 1906. 

 Megarhinus portoricensis Dyar (not von RSder), U. S. Dept. Agr., Bur. Ent, Circular 



72, 1, 1906. 

 Megarhinus septentrionalis Dyar & Knab, Smiths. Misc. Colls., quart. Iss., xlviii, 247, 



248, 249, 1906. 

 Megarhinus herrickii Theobald, The Entom., xxxix, 241, 1906. 

 Megarhintis septentrionalis Dyar & Knab, Journ. N. Y. Ent. Soc, xv, 12, 1907. 

 Megarhinus herrickii Theobald, Mon. Culic, Iv, 131, 1907. 

 Megarhinus septentrionalis Morgan & Cotton, Science, n. s., xxvll, 28, 1908. 

 Megarhinus septentrionalis Thibault, Proc Ent. Soc. Wash., xil, 22, 1910. 

 Megarhinus portoricensis Theobald (in part, not von Roder), Mon. Culic, v, 93, 



1910. 

 Megarhinus herrickii Theobald, Mon. Culic, v, 94, 1910. 

 Megarhinus rutillus Theobald (In part), Mon. Culic, v, 94, 1910. 

 Megarhinus septentrionalis Theobald, Mon. Culic, v, 603, 1910. 



0BI0II7AL Descbiption OF Megabhintjs septkntbionalis : 



Male. — Head behind the eyes metallic blue, at the sides and beneath yellowish 

 silvery. Antennae densely plumose; second segment stout, laterally compressed, 

 nearly as long as the next three and clothed on the upper part with golden and 

 purple scales. Palpi dark violet; the second, third and fourth segments with many 

 golden and iridescent scales, their apices pale violet; terminal segment nearly 

 black. Second and fourth segments of about equal length, the third longer, the 

 fifth about twice as long as the fourth. Prothoracic lobes light metallic blue. Meso- 

 thorax deep purple on the disc, the sides and a median stripe yellow, clearly defined. 

 A patch of blue scales over the roots of the wings. Scutellum edged with silvery 

 yellow scales broadened to patches at the sides. Pleurae and coxae clothed with pale 

 golden scales. Abdomen above dark metallic blue, the basal segment clothed with 

 coarser lighter-colored greenish scales. Patches of golden scales at the sides of the 



