PUNCTURE VINE WEEVILS Microlarinus lareynii attacks seedheads of the puncture vine. Has 2-3 three generations per year and may reproduce year round with favorable conditions. M. Lypriformis attacks stems. General release rate 200 per acre. Order by June 1st.
YELLOW STAR THISTLE GALL FLY Urophora sirunasova is a gall fly that attacks the seedhead of the Yellow Star Thistle. They overwinter in the galls of the plants and emerge in spring. General rate 200 per acre. Order by April 1st.
YELLOW STAR THISTLE WEEVIL Bangasternus orientalis attacks Yellow Star Thistle seedhead. Larvae feed on receptacle tissue in heads, reducing seed production through the summer. Weevils emerge from seed heads in late summer or fall. Overwinters in the thistle's debris. General release rate is 200 per acre.
RUSSIAN THISTLE MOTH Coleophora parthenica attacks the stems of Russian Thistle. It lays eggs on the leaves and the larvae mine down into the stems, destroying the plant. In some parts of California, three generations develop in one season; the last generation overwinters. C.klimeschielta attacks the leaves and stems and develops several generations per year. The larvae of this moth are case bearers, hollowing out the leaves as they move along the stems. General rate 200 per acre. Order by June 1st.
All Weed Control Beneficials Shipped Next Day Air Only. Call for Best Rates.
Not available 2007