. Brigham Young University science bulletin. Biology -- Periodicals. MlBIDAE OF THE NEVADA TEST SlTE 11 â y. Fig. 10. Pinyon-Juniper forest community, host trees that produced the greatest number of species of Miridae. designation. For example, the Creosote-Bush. Larrea divaricata, and Burr-Sage, Franseria dumosa, considered distinctively Mohavian, make up the Larrea-Franseria community (Fig. 9). The Desert Woodland at higher elevations is dominated by the Pinyon-Pine, Pinus mono- plujlla, and the Juniper, Juniperus osteosjicrma, and is designated the Pinyon-Juniper commun- ity (Fig. 10). Howe
. Brigham Young University science bulletin. Biology -- Periodicals. MlBIDAE OF THE NEVADA TEST SlTE 11 â y. Fig. 10. Pinyon-Juniper forest community, host trees that produced the greatest number of species of Miridae. designation. For example, the Creosote-Bush. Larrea divaricata, and Burr-Sage, Franseria dumosa, considered distinctively Mohavian, make up the Larrea-Franseria community (Fig. 9). The Desert Woodland at higher elevations is dominated by the Pinyon-Pine, Pinus mono- plujlla, and the Juniper, Juniperus osteosjicrma, and is designated the Pinyon-Juniper commun- ity (Fig. 10). However, there may he extensive stands of Three-Toothed Sage, Artemisia triden- tata, and/or Gambell's Oak, Querciis gambelli, intermixed or by themselves. Extensive areas of Black-Brush, Coleogyne ramosissima, in almost pure stands make up the Coleogyne community as a single plant species. Of special importance in reference to the present study is the understanding of the growth of annuals. What appears as barren ground in the spaces between plants described above, be- comes very much alive with annuals at certain seasons of the year or in successive years de- pending on climatic factors. The life span is very brief in many instances, and the flowering period may only last a day or so. In this study it was very important to be there at the right time to make collections, for many species of Miridae appear and are gone with the time of flowering and its termination. With the use of Figure 2 and data referred to under each species discussion in this paper, one should have no difficulty in then turning to Figure 3 and identifying the general plant com- munity in which such a collection or collections were made if obtained at the Nevada Test Site. EABLY LITEBATUBE OF WESTEBN MlBIDAE Belatively few workers have paid special attention to collecting Miridae west of Colorado. Some early collecting of insects was done in con- nection with the federal surveys of the western territories. Th
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