Showing papers on "Lepidoptera genitalia published in 1969"
TL;DR: In their studies on cultivated testes of diapausing pupae of silkwerms,aloPhera cecropia and Samia aynthia in hanging drops of biood obtained from pupating larvae or devcloping adults of thesc species, ScHMiDT and 1・ViLLmMs showed that spermatocytes developed promptly into sperMatids.
Abstract: In their studies on cultivated testes of diapausing pupae of silkwerms, hl),aloPhera cecropia and Samia aynthia in hanging drops of biood obtained from pupating larvae or devcloping adults of thesc species, ScHMiDT and 1・ViLLmMs(1953) showed that spermatocytes developed promptlyinto spermatids. On the other hand, LENDER and DuvEAu-HAGEGE (1962, 1963 a, b) succeeded in cultivating the gonads of the last instar larvae of wax moth Gatteria mellonella even in a medium without the blood of this moth fbr seven days or lon.crer, and further it was pointed out that the spermatogonia multiplied in the cultivated male gonads, and spermatocytes underwent mciosis resulting in the formation of spermatozoids. Recently MiTsuHAsm (1965) reported that spermatocytcs ofricestem borer, Chilo supt)ressalis, developed into spermatids in a medium which did not contain insect hemolymph. By the use of MiTsuHAsH!'s medium, we have also tried to culti.vatc the testes taken out from diapausing C7iito larvae, and further, the eflect of ecdysterone (TAKEMoTo et al,, 1967) obtained firom Aclp)ranthis Radix, on spermatogencsis of the borer has been investigated.
46 citations
32 citations
29 citations
Book•
01 Jan 1969
29 citations
28 citations
TL;DR: A receptor in an insect which is sensitive to all twelve amino-acids tested is reported, and it is reported that this receptor is found in some Crustacea and in two Ixodid ticks.
Abstract: BEHAVIOURAL studies have indicated that some invertebrates can detect amino-acids, but physiological information is limited to amino-acid receptors in some Crustacea1 and in two Ixodid ticks2. I report here a receptor in an insect which is sensitive to all twelve amino-acids tested.
28 citations
31 Dec 1969
23 citations
22 citations
13 citations
31 Dec 1969
31 Dec 1969
31 Dec 1969
TL;DR: This 6-page fact sheet was written by J. L. Capinera and published by the UF Department of Entomology and Nematology, October 2012.
Abstract: Tobacco Budworm, Heliothis virescens (Fabricius) (Insecta: Lepidoptera: Noctuidae) (EENY219/IN376)
The tobacco budworm, Heliothis virescens (Fabricius), is a native species and is found throughout the eastern and southwestern United States. It is principally a field crop pest, attacking such crops as alfalfa, clover, cotton, flax, soybean, and tobacco. Larvae bore into buds and blossoms (the basis for the common name of this insect), and sometimes the tender terminal foliar growth, leaf petioles, and stalks. This 6-page fact sheet was written by J. L. Capinera and published by the UF Department of Entomology and Nematology, October 2012.
http://edis.ifas.ufl.edu/in376
Book•
01 Jan 1969
31 Dec 1969
Journal Article•
TL;DR: A new record of attack on cribbage in Puerto Rico is recorded, according to scientists at the University of California, Los Angeles.
Abstract: SPODOPTERA SUNIA (GUENEE) (LEPIDOPTERA: NOCTUIDAE): A NEW RECORD OF ATTACK ON CABBAGE IN PUERTO RICO
Journal Article•
Dissertation•
07 May 1969