a handbook of the mosquitoes of north america - Systematic Catalog ...

II.
III.
IV.
V.
VI.
VII.
I.
PLA TES
Lateral view of thorax of: 1. Ural20 taenia lowii
2. Theo baldia morsitans : 3. Agtopheles punctipenfzis
4. Psoroplaora ciliata : 5. Megarhinus septeMron,alis.
Lateral view of thorax of: 6. Ovtlzopodamyia signifer
7. Deinocerites pseudes : 8. Wyeonzyia smitlzii : 9. Culex
pipiens : 10. TaePziorhync1tu.s perturbans : 11. Aedes
vexafzs. Me. Lower mesepimeral bristles; Pn. Pro-
thoracic group of bristles ; Pe. Pronotal group of bristles ;
Pa. Pre-alar group of bristles; Ps. Prosternal group of
bristles; P. Sp. Post-spiracular group of bristles ; Sp.
Spiracular group; St. P. Sterno-pleural group . .
1. View across a marsh area with many pools and slug-
gish streams in which breed Aedes vexam and AnophcZcs
punctipefznis. 2. A hog wallow where Aedcs vexam and
Cztlex pipiem breed in enormous numbers . .
3. A small woodland pool which has an interesting mosquito
cycle. First appears Aedes stimztlans, then Aedes
cinereus, followed by Aedes vexans. Anopheles pzmctipe?z?zis
occasionally breeds here in late June and July.
4. A small filthy pool, packed with the larvae of Aedes
vexans. . . . . . . . . .
5. A deep woodland pool in which Aedes stimulans,
A. fitclzii and A. excrucians breed in immense numbers.
6. A shallow woodland pool where Aedes stimzdans, A.
jitchii, A. cxcmcians, A. intrudeus, A. triclzums, and A.
canademis breed. . . . . . . .
A typical marshy swamp in which countless numbers of
Aedes stirnzdam and A. excruciam breed. . . .
7. A typical breeding place for Aedes pmctor, A. intru-
deu, A. abserratus, A. conz~zz~nis and A. canadeGs.
8. The large hole (indicated by an arrow) at the base of
the tree is a typical breeding place of Theobaldia znorsi-
tam. . . . . . . . . . .
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