Add to ORKGThe members of the order Coleoptera can be distinguished readily from all other insects, except the earwigs, by the horny, veinless wing-covers which meet in a straight line down the back, beneath which there is a simple pair of membraneous wings. Beetles differ from earwigs mainly in not having the pincer-like appendages at the tail-end of the body, characteristic of the earwigs
Considerably more than one half of all the known species of living things are insects. These make vi...
The Elateridae, or click beetles as they are commonly called, constitute a comparatively large famil...
The collections in this extensive order of insects are now sufficiently full to give us, we believe,...
The members of the order Coleoptera can be distinguished readily from all other insects, except the ...
The tumbling flower beetles, as these small active insects are called, are capable of running and fl...
The tumbling flower beetles, as these small active insects are called, are capable of running and fl...
Among the well-known insect pests with which the farmer must contend are the May beetles which in th...
The tumbling flower beetles, as these small active insects are called, are capable of running and fl...
Among the well-known insect pests with which the farmer must contend are the May beetles which in th...
The following notes are extracted from Bulletin 32 of the Iowa Experiment Station, and embrace such ...
Considerably more than one half of all the known species of living things are insects. These make vi...
The farmcrops of Iowa pay a heavy toll annually to insects. While many species figure in this loss t...
White grubs have been doing serious damage in Iowa every third year for about three decades. In 1921...
The following notes are extracted from Bulletin 32 of the Iowa Experiment Station, and embrace such ...
Few insects within our state are of greater economic importance than are the May beetles which in th...
Considerably more than one half of all the known species of living things are insects. These make vi...
The Elateridae, or click beetles as they are commonly called, constitute a comparatively large famil...
The collections in this extensive order of insects are now sufficiently full to give us, we believe,...
The members of the order Coleoptera can be distinguished readily from all other insects, except the ...
The tumbling flower beetles, as these small active insects are called, are capable of running and fl...
The tumbling flower beetles, as these small active insects are called, are capable of running and fl...
Among the well-known insect pests with which the farmer must contend are the May beetles which in th...
The tumbling flower beetles, as these small active insects are called, are capable of running and fl...
Among the well-known insect pests with which the farmer must contend are the May beetles which in th...
The following notes are extracted from Bulletin 32 of the Iowa Experiment Station, and embrace such ...
Considerably more than one half of all the known species of living things are insects. These make vi...
The farmcrops of Iowa pay a heavy toll annually to insects. While many species figure in this loss t...
White grubs have been doing serious damage in Iowa every third year for about three decades. In 1921...
The following notes are extracted from Bulletin 32 of the Iowa Experiment Station, and embrace such ...
Few insects within our state are of greater economic importance than are the May beetles which in th...
Considerably more than one half of all the known species of living things are insects. These make vi...
The Elateridae, or click beetles as they are commonly called, constitute a comparatively large famil...
The collections in this extensive order of insects are now sufficiently full to give us, we believe,...