618 MOSQUITOES OF NORTH AMERICA 



66. Two middle thoracic lines running back to scutellum 67 



Two middle lines running back two-thirds, followed by a single line 68 



One middle thoracic line running back to the scutellum 



septemstriatus Dyar & Knab (p. 846) 



67. Mesothoracic dorsal lines golden guadrivittatus Coquillett (p. 852) 



Thoracic lines silvery sexlineata Theobald (p. 847) 



68. Lateral thoracic stripe broad, silvery-white walkeri Theobald (p. 849) 



Lateral thoracic stripe narrow or broken, silvery 69 



Lateral thoracic stripe golden 70 



69. Median posterior thoracic line narrow, silvery. . . albonotata Coquillett (p. 853) 

 Median posterior thoracic line broad, ending in a silver spot on scutellum 



busckii Coquillett (p. 860) 



70. Hind tarsi with white bands on first and second joints, aurites Theobald (p. 859) 

 Hind tarsi with white bands on first, second, and third joints 



aureostriata Grabham (p. 855) 



The following species are omitted as insufficiently described: excrucians 

 Walker, punctor Kirby. 



Male Genitalia. 



1. Harpago present, with a filamentous seta 2 



Harpago absent 19 



2. Filamentous seta arising from a distinct, rod-shaped harpago 3 



Filamentous seta arising from a conical basal lobe 18 



3. Side-piece with an apical lobe 4 



Side-piece without an apical lobe 15 



4. Filament of harpago with a median sharp retrose spine 5 



Filament of harpago without a sharp spine 7 



5. Spine of harpago with several shorter spines within 



cuneatus Dyar & Knab (p. 772) 



Spine of harpago with small denticles within 



I tortilis Theobald (p. 808) 



/ plutocraticus Dyar & Knab (p. 805) 



Spine of harpago simple 6 



6. Tip of side-piece with a dense tuft of hair aurifer Coquillett (p. 768) 



C scapularis Rondani (p. 786) 



Tip of side-piece clothed like the rest J euplocamus Dyar & Knab (p. 788) 



I infirmatus Dyar & Knab (p. 782) 

 . trivittatus Coquillett (p. 775) 



7. Basal lobe of side-piece broadly conical, with a single stout spine 8 



Basal lobe similar but without the spine 12 



Basal lobe small, semi-detached, bearing two spines 14 



8. Filament of harpago slender, subfiliform {IZ^re!^ Co^nrnfu (p.' 78o') 



Filament of harpago small with a notch close to base 



fitchii Felt & Young (p. 684) 



Filament of harpago elliptical, spatulate or angularly expanded 9 



9. Filament of harpago calla-lily shaped pertinax Grabham (p. 793) 



Filament of harpago with a lateral pointed projection 10 



Filament of harpago elliptical or spatulate 11 



10. Apical lobe of side-piece large fletcheri Coquillett (p. 677) 



Apical lobe of side-piece small Mmaculatus Coquillett (p. 623) 



11. Stem of harpago short and stout 



Cquaylei Dyar & Knab (see onondagensis, p. 631) 

 } atlanticus Dyar & Knab (p. 801) 

 [^(estivalis Dyar (p. 742) 



'spencerii Theobald (p. 725) 

 idahoensis Theobald (p. 728) 

 grossbecki Dyar & Knab (p. 711) 

 curriei Coquillett (p. 637) 

 onondagensis Felt (p. 631) 

 squamiger Coquillett (p. 707) 

 abserratus Felt (p. 753) 

 hirsuteron Theobald (p. 745) 

 auroides Felt (p. 751) 



{stimulans Walker (p. 681) 

 cantator Coquillett (p. 701) 

 lazarensis Felt & Young (p. 734) 



Stem of harpago short and slender. 



