. Elementary entomology . Fig. 361. Horse-fly {Tahanus atratics) n, lan'a ; fi, pupa ; c, adult, (.fter Riley) SHORf-HORNEl) FLIES {BRACHYCEKA) In this section the antennae are composed of from three to five segments, the famihes being divided into three groups according to the structure of the V/ / antennae, and being fur- ther distinguished by w^^ ^^-"•••""?=grr^^^)^.^=r:^^^grr^^^^ the wing-vcnation. .3 X. , —..-^jMBirfiii* . . ^ ev In the first group the third segment of the an- tenna is clearly ringed, showing that it is made up of several segments grown together. Horse-f

- Image ID: MA78MH

. Elementary entomology . Fig. 361. Horse-fly {Tahanus atratics) n, lan'a ; fi, pupa ; c, adult, (.fter Riley) SHORf-HORNEl) FLIES {BRACHYCEKA) In this section the antennae are composed of from three to five segments, the famihes being divided into three groups according to the structure of the V/ / antennae, and being fur- ther distinguished by w^^ ^^-"•••""?=grr^^^)^.^=r:^^^grr^^^^ the wing-vcnation. .3 X. , —..-^jMBirfiii* . . ^ ev In the first group the third segment of the an- tenna is clearly ringed, showing that it is made up of several segments grown together. Horse-f

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Image ID: MA78MH

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