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  • Title: Stylostome formation by Leptotrombidium mites (Acari: Trombiculidae).
    Author: Hase T, Roberts LW, Hildebrandt PK, Cavanaugh DC.
    Journal: J Parasitol; 1978 Aug; 64(4):712-8. PubMed ID: 98623.
    Abstract:
    The modes of stylostome formation by larvae (chiggers) of Leptotrombidium intermedium, L. fletcheri, L. arenicola, and L. deliense in parasitized mouse skin were studied histologically in relation to their capacity to transmit Rickettsia tsutsugamushi. Three types of stylostome formation were recognized among the different species: the epidermal stylostome formed by the larva of L. intermedium; the mesenchymal stylostome formed by the larva of L. fletcheri; and, the mixed stylostome formed by the larva of both L. arenicola and L. deliense. Dermal inflammations related to the three types of stylostomes were histologically defined. The possible importance of stylostome characteristics to the transmission of rickettsial organisms is discussed.
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