The California Species of Mealy Bugs
The California Species of Mealy Bugs
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Notes: I have not seen the types of this species, but I have at hand speci- mens taken from the roots of Eriogonum in the type locality and agreeing in all respects with the original description, which was probably based upon immature specimens. I have also examined the types of P. Yerba-santae Essig and of P. Leptodontis Claussen MSS. And am unable to regard either of these as in any way distinct.
While this is not a typical Pseudococcus its affinities appear to be entirely with that genus. Th...e absence of cerarii between the eyes and along the anterior portion of the lateral margins should be sufficient to prevent confusion with any other species. The sac is by no means so definitely formed as the original de- scription would indicate, the insects leaving it readily when disturbed.
SYSTEMATIC TREATMENT 45 Pseudococcus ephedrae (Coq. ). 1890. Dactylopius ephedrae Coquillet, West Amer. Scientist 7:43.
In life. "Adult female elongate-ellipsoidal, from two and a half to three times as long as broad, dark olive, almost black, thinly covered with a snow-white mealy powder not entirely concealing the ground color; cottony appendages confined to posterior end of body, the longest less than half the length of the body.
What to read after The California Species of Mealy Bugs?
You can find similar books in the "Read Also" column, or choose other free books by Gordon Floyd Ferris to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Notes: I have not seen the types of this species, but I have at hand speci- mens taken from the roots of Eriogonum in the type locality and agreeing in all respects with the original description, which was probably based upon immature specimens. I have also examined the types of P. Yerba-santae Essig and of P. Leptodontis Claussen MSS. And am unable to regard either of these as in any way distinct.
While this is not a typical Pseudococcus its affinities appear to be entirely with that genus. Th...e absence of cerarii between the eyes and along the anterior portion of the lateral margins should be sufficient to prevent confusion with any other species. The sac is by no means so definitely formed as the original de- scription would indicate, the insects leaving it readily when disturbed.
SYSTEMATIC TREATMENT 45 Pseudococcus ephedrae (Coq. ). 1890. Dactylopius ephedrae Coquillet, West Amer. Scientist 7:43.
In life. "Adult female elongate-ellipsoidal, from two and a half to three times as long as broad, dark olive, almost black, thinly covered with a snow-white mealy powder not entirely concealing the ground color; cottony appendages confined to posterior end of body, the longest less than half the length of the body.
What to read after The California Species of Mealy Bugs?
You can find similar books in the "Read Also" column, or choose other free books by Gordon Floyd Ferris to read onlineMoreLess
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