46 



The 



nipnt rciliown in PI II, fig. 2) and appeared upon its surface. The 

 occurre ce here of a small snail, GalL unMicata is of mterest. A 

 very lar" e speeies of mosquito with conspicuously banded legs, Psoro- 

 pZacHlZ was found here. Though these aquatics and the ground 

 fornfs did nit receive much attention, they are representative of wet 



^'"^ The presence of certain plants in this haljitat has determined the 

 occurren^eVf several specie of animals. Thus the dogbane Apocy- 

 : : r S™ accounts'for the brilliantly -lored leaf4«erie CA.y- 

 soclms auratus, which feeds upon its leaves and ™°'- .^^f *e mo 

 conspicuous feature of this hab.tat :n August is the variety of msec s 

 which are attracted by the flowers of the swamp ™'1'\^;'=^- J^^f^^ 

 flowers may be regarded as so much insect pasture. A few butterflies 

 were ob™ved PaPUio poly.renes being found in an Arg.ope ^^■th; and 

 1 the flowers of the swamp milkweed were Papilio crcsphontes, Bury- 



snhinx (Hcmaris diffiits). Among the most abundant Hymcnoptaa 

 were te honey-bee r^/>i. vMifero) and the common rusty digger- 

 ZZ (cZion ichncLoncum). Others were the carpenter-bee 

 fxVcolT'Arciinica) and the bumblebees Bomlms frafenms^ and .f^ 



^LtZ:^^^^::^^^^^^^:^^^^ Beetles from the.se 

 flowers we?et^^e spotted milkweed-beetles (Tct.aopes temophtkalmus 

 nZ fenwratusV th(: flower-beetle Euplwna sepukhrahs, .nd \M 

 in Auti^t g eat numbers of the soldier-beetle Chauhognatlms penn- 

 vfo«;»-«..: The Hcniptera found are equally eharacteristi^ and in^ 

 ciude both of the common milkweed-bugs (Oiicopcltiii t«saat"s ana 

 t^:ZLi) and Lygus pratensis. Still other insects were present 

 nr the milkweeds, preying not upon the plant, but upon its guests. 

 These we the ^^ibt^h %ug (PInu.ata fasciata) and the ambush 

 Slider (Misumeim aleatoria), the latter being captured with a aige 

 bumblebee fBowbus scparatus) in its grasp. It is thus quite evide t 

 that this mi kweed has an important controlling influence upon the n- 

 stctsoths habitat at this season. Another abundant animal was the 

 Slge a arva mite of the genus Trombidinn,. vvhich is brushed from 

 the ve.'etation by one's arms and legs. These irritating pests were ,o 

 abundanfthat to work with comfort in this region it was neces a.y 

 m powder one's clothes and body with flowers of sulphui. Thee 

 oun- ^.-legged mites are supposed to prey upon insects, as do the 

 ad It? According to Chittenden ('o6 :4) chiggers are most abun- 

 dant in damp places and forest margins, and among shrubs, grass, 



