sphragis造句

• Females already bearing a sphragis are sometimes captured, but released soon after.
• The sphragis does not obstruct the passage of eggs as there are separate orifices for copulation and oviposition.
• Structural characters derived from the genitalia, wing venation, sphragis and foretibial epiphysis are more, but not entirely reliable.
• The sphragis acts to increase the chance of individual males successfully producing offspring by preventing other males from inseminating already mated females.
• The spermatophore of " Cressida cressida " is modified into an external mating plug known as a sphragis ( plural sphragides ).
• The evolutionary incentive to counter the sphragis is likely the nutritional benefit females obtain from the spermataphore, hence multiple matings provide female butterflies with additional resources.
• Japanese entomologists have intensively studied the phylogeography, population dynamics and other aspects of the biology of " Luehdorfia japonica " including the role of the sphragis.
• Females tend to fly closer to the ground in search of suitable larval food plants, and if already mated, will signal their unavailability in flight by raising the abdomen and lowering the wings to display the sphragis.
• Butterflies of the Parnassinae ( family Papilionidae ) and some Acraeini ( family Nymphalidae ) add a post-copulatory plug, called the sphragis, to the abdomen of the female after copulation preventing her from mating again.
• Butterflies of the Parnassinae ( Family Papilionidae ) and some Acraeini ( Family Nymphalidae ) add a post-copulatory plug, called the sphragis, to the abdomen of the female after copulation preventing her from mating again.
• Adult males have been known to guard females with which they have recently mated, possibly to ensure that the sphragis ( mating plug ) does not become dislodged by another male, as it will not fully harden until approximately one day later.
• Before baking, each prosphoron is stamped with a special seal called " sphragis " or " Panagiari " usually bearing, among other things, the image of a cross with the Greek letters IC XC NIKA ( " Jesus Christ conquers " ) around the arms of the cross.