New Species and New Records of Scuttle Flies (Diptera: Phoridae) Associated with Neotropical Army Ants (Hymenoptera: Formicidae)

The following new myrmecophile species are described: Acontistoptera longiseta Disney sp. n., A. medisetosa Disney sp. n., Apterophora chadabae Disney sp. n., Holopterina tenuipalpis Disney sp. n., Megaselia osapenensis Disney sp. n., Puliciphora fuschermanni Disney sp. n P. hermanni Disney sp. n., Thalloptera confusa Disney sp. n., T intermedia Disney sp. n., T. robusta Disney sp. n., Xanionotum longbotellus Disney sp. n., and X. pilosusphilum Disney sp. n. A key to the females of four species of Apterophora is provided. It includes two that arc given code letters only until they arc linked to their males. Ecitophora luteipalpis Schmitz is synonymised with E. parva Schmitz. Ecitoptera subciliata Borgmeier is synonymised with E. humeralis Borgmeier. Revised keys to the females of Ecitoptera, of Thalloptera and of the Xanionotum hystrix species group are provided. A series of males whose genera cannot be confirmed until they are linked to their females are given code letters and briefly characterized. The parasitoid species Pseudacteon carli Disney sp. n. and P. microbrowni Disney sp. n. are described.