Research Bulletin, Issue 386 |
From inside the book
Results 1-5 of 9
Page 92
... chelicerae ; the abdomen is unsegmented . In the Adactylog- natha the last palpal segment never forms a thumb to the preced- ing ; the legs do not possess swollen tarsal segments ; and the mem- bers of this group are as a whole very ...
... chelicerae ; the abdomen is unsegmented . In the Adactylog- natha the last palpal segment never forms a thumb to the preced- ing ; the legs do not possess swollen tarsal segments ; and the mem- bers of this group are as a whole very ...
Page 109
... chelicerae are styliform ; the large cephalo- thorax is on a plane with the abdomen ; the dorsal groove , or crista metopica , is usually present ; and the eyes are sessile . The crista may be enlarged in one or several places . Its ...
... chelicerae are styliform ; the large cephalo- thorax is on a plane with the abdomen ; the dorsal groove , or crista metopica , is usually present ; and the eyes are sessile . The crista may be enlarged in one or several places . Its ...
Page 112
... chelicerae which are often not visible when withdrawn into the body . These mites also possess five - jointed legs and two pairs of eyes . A third pair of eyes may sometimes be present on the anterior margin of the cephalothorax . But ...
... chelicerae which are often not visible when withdrawn into the body . These mites also possess five - jointed legs and two pairs of eyes . A third pair of eyes may sometimes be present on the anterior margin of the cephalothorax . But ...
Page 115
... chelicerae and withdraw the contents after which the empty shell collapses . Three or four eggs usually suffice to engorge an adult mite . I have records of this species feeding upon the eggs of Melanoplus bivittatus , M. femur - rubrum ...
... chelicerae and withdraw the contents after which the empty shell collapses . Three or four eggs usually suffice to engorge an adult mite . I have records of this species feeding upon the eggs of Melanoplus bivittatus , M. femur - rubrum ...
Page 120
... chelicerae could pierce the thin membranes . I have also taken larvae attached to the squamae and at the joints of the legs . When the parasites are numerous the host is much hindered in flight . The species is common thruout the ...
... chelicerae could pierce the thin membranes . I have also taken larvae attached to the squamae and at the joints of the legs . When the parasites are numerous the host is much hindered in flight . The species is common thruout the ...
Common terms and phrases
abdomen Acad Acarina adult appears altho Amer anal plate attack Banks Trans beneath Berlese body bright red bristles broad brown in color Buckeye Lake Cedar Point cephalothorax chelicerae chigger Chillicothe chitinized claws common species cosmopolitan debris deposited distributed thruout dorsal shield dorsum eggs engorged Eriophyes Eriophyid Erythraeidae Europe and North fauna feeding female forms genera genital genus habits hairs hatch hexapod host infested insects integument known from Ohio large number larvae lime-sulphur male mandibles margin mature mites molt mouthparts nearly North America number of species nymphal nymphs occur Oribata oviposition pairs of legs pale brown palpi parasitic plants posterior predaceous pteromorphae recorded from Ohio red spiders resemble the adults Sarcoptidae scale insects scutum segment southern Canada southern Ohio species species measuring specimens spray stage suborder taken tarsi Tarsonemidae terminate thru tick tracheae trees trichomes type material usually various ventral Wien